Base | Representation |
---|---|
bin | 110101110001000010… |
… | …110101101010100101 |
3 | 12112000101022222220202 |
4 | 311301002311222211 |
5 | 1421213133104412 |
6 | 42304334440245 |
7 | 4112426426135 |
oct | 656102655245 |
9 | 175011288822 |
10 | 57731144357 |
11 | 225357a9257 |
12 | b232063085 |
13 | 55a069ab63 |
14 | 2b19410ac5 |
15 | 177d4843c2 |
hex | d710b5aa5 |
57731144357 has 8 divisors (see below), whose sum is σ = 58639800000. Its totient is φ = 56823871104.
The previous prime is 57731144297. The next prime is 57731144369. The reversal of 57731144357 is 75344113775.
57731144357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 57731144357 - 214 = 57731127973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57731144257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261257 + ... + 428622.
It is an arithmetic number, because the mean of its divisors is an integer number (7329975000).
Almost surely, 257731144357 is an apocalyptic number.
It is an amenable number.
57731144357 is a deficient number, since it is larger than the sum of its proper divisors (908655643).
57731144357 is a wasteful number, since it uses less digits than its factorization.
57731144357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 691195.
The product of its digits is 1234800, while the sum is 47.
The spelling of 57731144357 in words is "fifty-seven billion, seven hundred thirty-one million, one hundred forty-four thousand, three hundred fifty-seven".
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