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78136056115038 = 2324340892006391
BaseRepresentation
bin10001110001000001110111…
…110111100110111101011110
3101020122201211002120221022200
4101301001313313212331132
540220140120331140123
6434103113022152330
722313100211401555
oct2161016767467536
9336581732527280
1078136056115038
1122995351746339
12891b35b1226a6
13347a277087cbc
141541b3ba28d9c
159077712de143
hex471077de6f5e

78136056115038 has 12 divisors (see below), whose sum is σ = 169294788249288. Its totient is φ = 26045352038340.

The previous prime is 78136056114973. The next prime is 78136056115069. The reversal of 78136056115038 is 83051165063187.

It is a happy number.

78136056115038 is a `hidden beast` number, since 7 + 8 + 1 + 3 + 60 + 561 + 15 + 0 + 3 + 8 = 666.

It is a super-2 number, since 2×781360561150382 (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2170446003178 + ... + 2170446003213.

It is an arithmetic number, because the mean of its divisors is an integer number (14107899020774).

Almost surely, 278136056115038 is an apocalyptic number.

78136056115038 is an abundant number, since it is smaller than the sum of its proper divisors (91158732134250).

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

78136056115038 is a wasteful number, since it uses less digits than its factorization.

78136056115038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340892006399 (or 4340892006396 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 78136056115038 in words is "seventy-eight trillion, one hundred thirty-six billion, fifty-six million, one hundred fifteen thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 4340892006391 8681784012782 13022676019173 26045352038346 39068028057519 78136056115038