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31324025832 = 23311389305017
BaseRepresentation
bin11101001011000011…
…101011001111101000
32222212000200101100220
4131023003223033220
51003122422311312
622220130330040
72156144553321
oct351303531750
988760611326
1031324025832
1112314661260
1260a2429920
132c52792a38
141732221448
15c34eb2c8c
hex74b0eb3e8

31324025832 has 64 divisors (see below), whose sum is σ = 85649054400. Its totient is φ = 9467696640.

The previous prime is 31324025819. The next prime is 31324025849. The reversal of 31324025832 is 23852042313.

It is a super-3 number, since 3×313240258323 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 31324025793 and 31324025802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49813 + ... + 255204.

It is an arithmetic number, because the mean of its divisors is an integer number (1338266475).

Almost surely, 231324025832 is an apocalyptic number.

It is an amenable number.

31324025832 is an abundant number, since it is smaller than the sum of its proper divisors (54325028568).

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

31324025832 is a wasteful number, since it uses less digits than its factorization.

31324025832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305426 (or 305422 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 31324025832 in words is "thirty-one billion, three hundred twenty-four million, twenty-five thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 389 778 1167 1556 2334 3112 4279 4668 8558 9336 12837 17116 25674 34232 51348 102696 305017 610034 915051 1220068 1830102 2440136 3355187 3660204 6710374 7320408 10065561 13420748 20131122 26841496 40262244 80524488 118651613 237303226 355954839 474606452 711909678 949212904 1305167743 1423819356 2610335486 2847638712 3915503229 5220670972 7831006458 10441341944 15662012916 31324025832