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12143153344 = 267231124909
BaseRepresentation
bin10110100111100100…
…11101000011000000
31011100021111002211011
423103302131003000
5144332121401334
65324541530304
7606630046300
oct132362350300
934307432734
1012143153344
115171547923
12242a873994
1311b6a0724a
14832a43600
154b10eb564
hex2d3c9d0c0

12143153344 has 84 divisors (see below), whose sum is σ = 28935151680. Its totient is φ = 5036290560.

The previous prime is 12143153333. The next prime is 12143153371. The reversal of 12143153344 is 44335134121.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34762 + ... + 159670.

Almost surely, 212143153344 is an apocalyptic number.

12143153344 is a gapful number since it is divisible by the number (14) 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 12143153344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14467575840).

12143153344 is an abundant number, since it is smaller than the sum of its proper divisors (16791998336).

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

12143153344 is a wasteful number, since it uses less digits than its factorization.

12143153344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124966 (or 124949 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

Adding to 12143153344 its reverse (44335134121), we get a palindrome (56478287465).

The spelling of 12143153344 in words is "twelve billion, one hundred forty-three million, one hundred fifty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 31 32 49 56 62 64 98 112 124 196 217 224 248 392 434 448 496 784 868 992 1519 1568 1736 1984 3038 3136 3472 6076 6944 12152 13888 24304 48608 97216 124909 249818 499636 874363 999272 1748726 1998544 3497452 3872179 3997088 6120541 6994904 7744358 7994176 12241082 13989808 15488716 24482164 27105253 27979616 30977432 48964328 54210506 55959232 61954864 97928656 108421012 123909728 189736771 195857312 216842024 247819456 379473542 391714624 433684048 758947084 867368096 1517894168 1734736192 3035788336 6071576672 12143153344