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131392080405078 = 2399761219511433
BaseRepresentation
bin11101111000000000011010…
…010001110110001001010110
3122020012221220222212222101020
4131320000122101312021112
5114210211440040430303
61143240404412142010
736450523145002503
oct3570003221661126
9566187828788336
10131392080405078
1138958083005649
12128a07b9a67906
1358412b24bb7cc
1424635a6a704aa
15102cc222e1a53
hex77801a476256

131392080405078 has 16 divisors (see below), whose sum is σ = 262786796144496. Its totient is φ = 43796920912640.

The previous prime is 131392080405071. The next prime is 131392080405137. The reversal of 131392080405078 is 870504080293131.

It is a self number, because there is not a number n which added to its sum of digits gives 131392080405078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131392080405071) 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, 109157151 + ... + 110354282.

It is an arithmetic number, because the mean of its divisors is an integer number (16424174759031).

Almost surely, 2131392080405078 is an apocalyptic number.

131392080405078 is an abundant number, since it is smaller than the sum of its proper divisors (131394715739418).

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

131392080405078 is a wasteful number, since it uses less digits than its factorization.

131392080405078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219611199.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 131392080405078 in words is "one hundred thirty-one trillion, three hundred ninety-two billion, eighty million, four hundred five thousand, seventy-eight".

Divisors: 1 2 3 6 99761 199522 299283 598566 219511433 439022866 658534299 1317068598 21898680067513 43797360135026 65696040202539 131392080405078