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31824402117 = 342683248533
BaseRepresentation
bin11101101000111000…
…011101011011000101
310001010220020010120220
4131220320131123011
51010134021331432
622341523214553
72204431645314
oct355070353305
9101126203526
1031824402117
1112551055382
126201b17459
13300234a191
14177c87427b
15c63da272c
hex768e1d6c5

31824402117 has 8 divisors (see below), whose sum is σ = 42433701024. Its totient is φ = 21215685648.

The previous prime is 31824402109. The next prime is 31824402131. The reversal of 31824402117 is 71120442813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31824402117 - 23 = 31824402109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31824402167) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3783 + ... + 252315.

It is an arithmetic number, because the mean of its divisors is an integer number (5304212628).

Almost surely, 231824402117 is an apocalyptic number.

It is an amenable number.

31824402117 is a deficient number, since it is larger than the sum of its proper divisors (10609298907).

31824402117 is a wasteful number, since it uses less digits than its factorization.

31824402117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291219.

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 31824402117 in words is "thirty-one billion, eight hundred twenty-four million, four hundred two thousand, one hundred seventeen".

Divisors: 1 3 42683 128049 248533 745599 10608134039 31824402117