Base | Representation |
---|---|
bin | 110101001000000111… |
… | …011100101110010001 |
3 | 12110020112021012011220 |
4 | 311020013130232101 |
5 | 1413311342041212 |
6 | 42112245155253 |
7 | 4056421065615 |
oct | 651007345621 |
9 | 173215235156 |
10 | 57044487057 |
11 | 22213142488 |
12 | b0800bbb29 |
13 | 54c135096c |
14 | 2a9214b345 |
15 | 173d04a38c |
hex | d481dcb91 |
57044487057 has 8 divisors (see below), whose sum is σ = 76086578880. Its totient is φ = 38016026640.
The previous prime is 57044487043. The next prime is 57044487079. The reversal of 57044487057 is 75078444075.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57044487057 - 222 = 57040292753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57044487007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398082 + ... + 3414827.
It is an arithmetic number, because the mean of its divisors is an integer number (9510822360).
Almost surely, 257044487057 is an apocalyptic number.
It is an amenable number.
57044487057 is a deficient number, since it is larger than the sum of its proper divisors (19042091823).
57044487057 is a wasteful number, since it uses less digits than its factorization.
57044487057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6815703.
The product of its (nonzero) digits is 4390400, while the sum is 51.
The spelling of 57044487057 in words is "fifty-seven billion, forty-four million, four hundred eighty-seven thousand, fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •