Base | Representation |
---|---|
bin | 110101000110010111… |
… | …011011000011000111 |
3 | 12110011111000012020202 |
4 | 311012113123003013 |
5 | 1413231332320241 |
6 | 42105315521115 |
7 | 4055613344600 |
oct | 650627330307 |
9 | 173144005222 |
10 | 57015120071 |
11 | 221a8604648 |
12 | b0722b919b |
13 | 54b823ab50 |
14 | 2a8c2a4da7 |
15 | 173a698d9b |
hex | d465db0c7 |
57015120071 has 24 divisors (see below), whose sum is σ = 72161958960. Its totient is φ = 44645755392.
The previous prime is 57015120017. The next prime is 57015120073. The reversal of 57015120071 is 17002151075.
It is not a de Polignac number, because 57015120071 - 210 = 57015119047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57015120073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399581 + ... + 523158.
It is an arithmetic number, because the mean of its divisors is an integer number (3006748290).
Almost surely, 257015120071 is an apocalyptic number.
57015120071 is a deficient number, since it is larger than the sum of its proper divisors (15146838889).
57015120071 is a wasteful number, since it uses less digits than its factorization.
57015120071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922863 (or 922856 counting only the distinct ones).
The product of its (nonzero) digits is 2450, while the sum is 29.
The spelling of 57015120071 in words is "fifty-seven billion, fifteen million, one hundred twenty thousand, seventy-one".
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