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31992000010 = 255267360737
BaseRepresentation
bin11101110010110111…
…110010111000001010
310001120120120222200021
4131302313302320022
51011004423000020
622410311331054
72211535341025
oct356267627012
9101516528607
1031992000010
1112627717133
12624a080a8a
13302ac9b029
141796c201bc
15c7395b1aa
hex772df2e0a

31992000010 has 16 divisors (see below), whose sum is σ = 57587641416. Its totient is φ = 12796346368.

The previous prime is 31991999971. The next prime is 31992000011. The reversal of 31992000010 is 1000029913.

It can be written as a sum of positive squares in 4 ways, for example, as 26982333169 + 5009666841 = 164263^2 + 70779^2 .

It is not an unprimeable number, because it can be changed into a prime (31992000011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496362 + ... + 557098.

Almost surely, 231992000010 is an apocalyptic number.

31992000010 is a deficient number, since it is larger than the sum of its proper divisors (25595641406).

31992000010 is a wasteful number, since it uses less digits than its factorization.

31992000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113417.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 31992000010 its reverse (1000029913), we get a palindrome (32992029923).

The spelling of 31992000010 in words is "thirty-one billion, nine hundred ninety-two million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 52673 60737 105346 121474 263365 303685 526730 607370 3199200001 6398400002 15996000005 31992000010