Base | Representation |
---|---|
bin | 110101000111000111… |
… | …111011100101100101 |
3 | 12110012100221020120202 |
4 | 311013013323211211 |
5 | 1413243111230021 |
6 | 42110452240245 |
7 | 4056126416204 |
oct | 650707734545 |
9 | 173170836522 |
10 | 57027836261 |
11 | 222047aa4a0 |
12 | b076610085 |
13 | 54baa70b16 |
14 | 2a8dc5523b |
15 | 173b85ba0b |
hex | d471fb965 |
57027836261 has 4 divisors (see below), whose sum is σ = 62212185024. Its totient is φ = 51843487500.
The previous prime is 57027836249. The next prime is 57027836263. The reversal of 57027836261 is 16263872075.
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 57027836261 - 234 = 39847967077 is a prime.
It is a super-2 number, since 2×570278362612 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57027836263) 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, 2592174365 + ... + 2592174386.
It is an arithmetic number, because the mean of its divisors is an integer number (15553046256).
Almost surely, 257027836261 is an apocalyptic number.
It is an amenable number.
57027836261 is a deficient number, since it is larger than the sum of its proper divisors (5184348763).
57027836261 is a wasteful number, since it uses less digits than its factorization.
57027836261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5184348762.
The product of its (nonzero) digits is 846720, while the sum is 47.
The spelling of 57027836261 in words is "fifty-seven billion, twenty-seven million, eight hundred thirty-six thousand, two hundred sixty-one".
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