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319319148672 = 273457753377
BaseRepresentation
bin1001010010110001110…
…01111000100010000000
31010112012220022110120000
410221120321320202000
520212431200224142
6402405421320000
732033011660056
oct4513071704200
91115186273500
10319319148672
11113471375677
1251a77406000
132415b43cc24
1411652c361d6
15848d78b14c
hex4a58e78880

319319148672 has 160 divisors (see below), whose sum is σ = 951953393820. Its totient is φ = 106253254656.

The previous prime is 319319148653. The next prime is 319319148691. The reversal of 319319148672 is 276841913913.

319319148672 is a `hidden beast` number, since 3 + 1 + 9 + 3 + 1 + 91 + 486 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (319319148653) and next prime (319319148691).

It can be written as a sum of positive squares in 2 ways, for example, as 178442035776 + 140877112896 = 422424^2 + 375336^2 .

It is a super-2 number, since 2×3193191486722 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5955648 + ... + 6009024.

Almost surely, 2319319148672 is an apocalyptic number.

319319148672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319319148672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475976696910).

319319148672 is an abundant number, since it is smaller than the sum of its proper divisors (632634245148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319319148672 is an equidigital number, since it uses as much as digits as its factorization.

319319148672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980 (or 53959 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 319319148672 in words is "three hundred nineteen billion, three hundred nineteen million, one hundred forty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 577 648 864 1152 1154 1296 1728 1731 2308 2592 3456 3462 4616 5184 5193 6924 9232 10368 10386 13848 15579 18464 20772 27696 31158 36928 41544 46737 53377 55392 62316 73856 83088 93474 106754 110784 124632 160131 166176 186948 213508 221568 249264 320262 332352 373896 427016 480393 498528 640524 664704 747792 854032 960786 997056 1281048 1441179 1495584 1708064 1921572 1994112 2562096 2882358 2991168 3416128 3843144 4323537 5124192 5764716 5982336 6832256 7686288 8647074 10248384 11529432 15372576 17294148 20496768 23058864 30745152 30798529 34588296 46117728 61490304 61597058 69176592 92235456 92395587 123194116 138353184 184470912 184791174 246388232 276706368 277186761 369582348 492776464 553412736 554373522 739164696 831560283 985552928 1108747044 1478329392 1663120566 1971105856 2217494088 2494680849 2956658784 3326241132 3942211712 4434988176 4989361698 5913317568 6652482264 8869976352 9978723396 11826635136 13304964528 17739952704 19957446792 26609929056 35479905408 39914893584 53219858112 79829787168 106439716224 159659574336 319319148672