Base | Representation |
---|---|
bin | 100111111001000110… |
… | …0111110110110010110 |
3 | 22012010100012121022000 |
4 | 1033302030332312112 |
5 | 2400421433234204 |
6 | 103204423420130 |
7 | 6121633602156 |
oct | 1176214766626 |
9 | 265110177260 |
10 | 85667868054 |
11 | 3337130725a |
12 | 14729bb4646 |
13 | 81034625b2 |
14 | 420980c766 |
15 | 2365d9c039 |
hex | 13f233ed96 |
85667868054 has 16 divisors (see below), whose sum is σ = 190373040240. Its totient is φ = 28555956000.
The previous prime is 85667868053. The next prime is 85667868089. The reversal of 85667868054 is 45086876658.
85667868054 is a `hidden beast` number, since 8 + 566 + 7 + 8 + 68 + 0 + 5 + 4 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 85667867982 and 85667868000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85667868053) 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, 793220947 + ... + 793221054.
It is an arithmetic number, because the mean of its divisors is an integer number (11898315015).
Almost surely, 285667868054 is an apocalyptic number.
85667868054 is an abundant number, since it is smaller than the sum of its proper divisors (104705172186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85667868054 is a wasteful number, since it uses less digits than its factorization.
85667868054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1586442012 (or 1586442006 counting only the distinct ones).
The product of its (nonzero) digits is 77414400, while the sum is 63.
The spelling of 85667868054 in words is "eighty-five billion, six hundred sixty-seven million, eight hundred sixty-eight thousand, fifty-four".
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