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31407501120 = 2635291128143
BaseRepresentation
bin11101010000000010…
…000110111101000000
310000001211202100221020
4131100002012331000
51003310310013440
622232311425440
72161210232442
oct352002067500
9100054670836
1031407501120
11123577964a6
126106385280
132c66b6bbb8
14173d350492
15c3c4a13d0
hex750086f40

31407501120 has 112 divisors (see below), whose sum is σ = 103157487360. Its totient is φ = 8086521856.

The previous prime is 31407501113. The next prime is 31407501131. The reversal of 31407501120 is 2110570413.

It is a super-2 number, since 2×314075011202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536232 + ... + 591911.

Almost surely, 231407501120 is an apocalyptic number.

31407501120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31407501120 is an abundant number, since it is smaller than the sum of its proper divisors (71749986240).

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

31407501120 is a wasteful number, since it uses less digits than its factorization.

31407501120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128192 (or 1128182 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 31407501120 in words is "thirty-one billion, four hundred seven million, five hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 145 160 174 192 232 240 290 320 348 435 464 480 580 696 870 928 960 1160 1392 1740 1856 2320 2784 3480 4640 5568 6960 9280 13920 27840 1128143 2256286 3384429 4512572 5640715 6768858 9025144 11281430 13537716 16922145 18050288 22562860 27075432 32716147 33844290 36100576 45125720 54150864 65432294 67688580 72201152 90251440 98148441 108301728 130864588 135377160 163580735 180502880 196296882 216603456 261729176 270754320 327161470 361005760 392593764 490742205 523458352 541508640 654322940 785187528 981484410 1046916704 1083017280 1308645880 1570375056 1962968820 2093833408 2617291760 3140750112 3925937640 5234583520 6281500224 7851875280 10469167040 15703750560 31407501120