Base | Representation |
---|---|
bin | 110101101100110110… |
… | …100111100111100111 |
3 | 12111211111000202210221 |
4 | 311230312213213213 |
5 | 1421042133112411 |
6 | 42253343425211 |
7 | 4110613662412 |
oct | 655466474747 |
9 | 174744022727 |
10 | 57660832231 |
11 | 224aa044762 |
12 | b2125b5207 |
13 | 558bc50252 |
14 | 2b0dd4ab79 |
15 | 17771e6071 |
hex | d6cda79e7 |
57660832231 has 4 divisors (see below), whose sum is σ = 58014579832. Its totient is φ = 57307084632.
The previous prime is 57660832213. The next prime is 57660832247. The reversal of 57660832231 is 13223806675.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57660832231 is a prime.
It is a super-2 number, since 2×576608322312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57660832291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176873556 + ... + 176873881.
It is an arithmetic number, because the mean of its divisors is an integer number (14503644958).
Almost surely, 257660832231 is an apocalyptic number.
57660832231 is a deficient number, since it is larger than the sum of its proper divisors (353747601).
57660832231 is a wasteful number, since it uses less digits than its factorization.
57660832231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353747600.
The product of its (nonzero) digits is 362880, while the sum is 43.
The spelling of 57660832231 in words is "fifty-seven billion, six hundred sixty million, eight hundred thirty-two thousand, two hundred thirty-one".
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