Base | Representation |
---|---|
bin | 100001011101110110… |
… | …1100110101000100111 |
3 | 20212111122202211112222 |
4 | 1002323231212220213 |
5 | 2134141401131410 |
6 | 53003245102555 |
7 | 5122655321120 |
oct | 1027355465047 |
9 | 225448684488 |
10 | 71868770855 |
11 | 285300582a2 |
12 | 11b18857a5b |
13 | 6a1466591b |
14 | 369acb1047 |
15 | 1d09700955 |
hex | 10bbb66a27 |
71868770855 has 8 divisors (see below), whose sum is σ = 98562885792. Its totient is φ = 49281442848.
The previous prime is 71868770821. The next prime is 71868770867. The reversal of 71868770855 is 55807786817.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71868770855 - 210 = 71868769831 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026696692 + ... + 1026696761.
It is an arithmetic number, because the mean of its divisors is an integer number (12320360724).
Almost surely, 271868770855 is an apocalyptic number.
71868770855 is a deficient number, since it is larger than the sum of its proper divisors (26694114937).
71868770855 is a wasteful number, since it uses less digits than its factorization.
71868770855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2053393465.
The product of its (nonzero) digits is 26342400, while the sum is 62.
The spelling of 71868770855 in words is "seventy-one billion, eight hundred sixty-eight million, seven hundred seventy thousand, eight hundred fifty-five".
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