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31794343368 = 2331324764307
BaseRepresentation
bin11101100111000101…
…110010110111001000
310001001210122222201220
4131213011302313020
51010103322441433
622334531042040
72203615313424
oct354705626710
9101053588656
1031794343368
1112536094837
1261b3a40320
132cc9054538
14177888bb84
15c614162b3
hex767172dc8

31794343368 has 16 divisors (see below), whose sum is σ = 79485858480. Its totient is φ = 10598114448.

The previous prime is 31794343351. The next prime is 31794343369. The reversal of 31794343368 is 86334349713.

It is a super-3 number, since 3×317943433683 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31794343368.

It is not an unprimeable number, because it can be changed into a prime (31794343369) 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 3 ways as a sum of consecutive naturals, for example, 662382130 + ... + 662382177.

It is an arithmetic number, because the mean of its divisors is an integer number (4967866155).

Almost surely, 231794343368 is an apocalyptic number.

It is an amenable number.

31794343368 is an abundant number, since it is smaller than the sum of its proper divisors (47691515112).

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

31794343368 is a wasteful number, since it uses less digits than its factorization.

31794343368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324764316 (or 1324764312 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 51.

The spelling of 31794343368 in words is "thirty-one billion, seven hundred ninety-four million, three hundred forty-three thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1324764307 2649528614 3974292921 5299057228 7948585842 10598114456 15897171684 31794343368