Base | Representation |
---|---|
bin | 110001010101100110… |
… | …101010011010000001 |
3 | 12001201222022210010220 |
4 | 301111212222122001 |
5 | 1331443301243311 |
6 | 40200423213253 |
7 | 3553534631142 |
oct | 612546523201 |
9 | 161658283126 |
10 | 52975806081 |
11 | 20515509220 |
12 | a3255a7229 |
13 | 4cc3432c23 |
14 | 27c7a39ac9 |
15 | 15a0c5a206 |
hex | c559aa681 |
52975806081 has 16 divisors (see below), whose sum is σ = 77420921088. Its totient is φ = 31954381200.
The previous prime is 52975806053. The next prime is 52975806139. The reversal of 52975806081 is 18060857925.
It is not a de Polignac number, because 52975806081 - 25 = 52975806049 is a prime.
It is a super-2 number, since 2×529758060812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (52975806041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3797131 + ... + 3811056.
It is an arithmetic number, because the mean of its divisors is an integer number (4838807568).
Almost surely, 252975806081 is an apocalyptic number.
It is an amenable number.
52975806081 is a deficient number, since it is larger than the sum of its proper divisors (24445115007).
52975806081 is a wasteful number, since it uses less digits than its factorization.
52975806081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7608412.
The product of its (nonzero) digits is 1209600, while the sum is 51.
The spelling of 52975806081 in words is "fifty-two billion, nine hundred seventy-five million, eight hundred six thousand, eighty-one".
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