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10031111232 = 263331157841
BaseRepresentation
bin10010101011110011…
…01001110001000000
3221220002022020201020
421111321221301000
5131020431024412
64335213305440
7503403016152
oct112571516100
927802266636
1010031111232
11428833437a
121b3b495280
13c3b29119c
146b2340ad2
153da9a618c
hex255e69c40

10031111232 has 56 divisors (see below), whose sum is σ = 26621000352. Its totient is φ = 3333580800.

The previous prime is 10031111219. The next prime is 10031111243. The reversal of 10031111232 is 23211113001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15369 + ... + 142472.

Almost surely, 210031111232 is an apocalyptic number.

10031111232 is a gapful number since it is divisible by the number (12) 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 10031111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13310500176).

10031111232 is an abundant number, since it is smaller than the sum of its proper divisors (16589889120).

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

10031111232 is a wasteful number, since it uses less digits than its factorization.

10031111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158187 (or 158177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10031111232 its reverse (23211113001), we get a palindrome (33242224233).

The spelling of 10031111232 in words is "ten billion, thirty-one million, one hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 331 662 993 1324 1986 2648 3972 5296 7944 10592 15888 21184 31776 63552 157841 315682 473523 631364 947046 1262728 1894092 2525456 3788184 5050912 7576368 10101824 15152736 30305472 52245371 104490742 156736113 208981484 313472226 417962968 626944452 835925936 1253888904 1671851872 2507777808 3343703744 5015555616 10031111232