Base | Representation |
---|---|
bin | 10001110001000001110111… |
… | …110111100110111101011110 |
3 | 101020122201211002120221022200 |
4 | 101301001313313212331132 |
5 | 40220140120331140123 |
6 | 434103113022152330 |
7 | 22313100211401555 |
oct | 2161016767467536 |
9 | 336581732527280 |
10 | 78136056115038 |
11 | 22995351746339 |
12 | 891b35b1226a6 |
13 | 347a277087cbc |
14 | 1541b3ba28d9c |
15 | 9077712de143 |
hex | 471077de6f5e |
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".
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