Base | Representation |
---|---|
bin | 101001001110100101… |
… | …0000111011101111001 |
3 | 22110112020010212021121 |
4 | 1102131022013131321 |
5 | 2422310210131412 |
6 | 104401202105241 |
7 | 6253001521534 |
oct | 1223512073571 |
9 | 273466125247 |
10 | 88536020857 |
11 | 34603303979 |
12 | 151aa64b221 |
13 | 846c73262b |
14 | 43dc6d3a1b |
15 | 2482a9a107 |
hex | 149d287779 |
88536020857 has 4 divisors (see below), whose sum is σ = 90036631440. Its totient is φ = 87035410276.
The previous prime is 88536020843. The next prime is 88536020897. The reversal of 88536020857 is 75802063588.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 88536020857 - 215 = 88535988089 is a prime.
It is a super-2 number, since 2×885360208572 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88536020897) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750305203 + ... + 750305320.
It is an arithmetic number, because the mean of its divisors is an integer number (22509157860).
Almost surely, 288536020857 is an apocalyptic number.
It is an amenable number.
88536020857 is a deficient number, since it is larger than the sum of its proper divisors (1500610583).
88536020857 is a wasteful number, since it uses less digits than its factorization.
88536020857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500610582.
The product of its (nonzero) digits is 3225600, while the sum is 52.
The spelling of 88536020857 in words is "eighty-eight billion, five hundred thirty-six million, twenty thousand, eight hundred fifty-seven".
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