Base | Representation |
---|---|
bin | 110101010011010100… |
… | …101110000010010001 |
3 | 12110201122002000022211 |
4 | 311103110232002101 |
5 | 1414203010441332 |
6 | 42143043232121 |
7 | 4064163231643 |
oct | 652324560221 |
9 | 173648060284 |
10 | 57232515217 |
11 | 222aa298859 |
12 | b113078641 |
13 | 55212a5a27 |
14 | 2aad0d4893 |
15 | 174e7dc447 |
hex | d5352e091 |
57232515217 has 16 divisors (see below), whose sum is σ = 60485877760. Its totient is φ = 54003538512.
The previous prime is 57232515209. The next prime is 57232515227. The reversal of 57232515217 is 71251523275.
It is a cyclic number.
It is not a de Polignac number, because 57232515217 - 23 = 57232515209 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57232515217.
It is not an unprimeable number, because it can be changed into a prime (57232515227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10397488 + ... + 10402990.
It is an arithmetic number, because the mean of its divisors is an integer number (3780367360).
Almost surely, 257232515217 is an apocalyptic number.
It is an amenable number.
57232515217 is a deficient number, since it is larger than the sum of its proper divisors (3253362543).
57232515217 is a wasteful number, since it uses less digits than its factorization.
57232515217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7612.
The product of its digits is 147000, while the sum is 40.
The spelling of 57232515217 in words is "fifty-seven billion, two hundred thirty-two million, five hundred fifteen thousand, two hundred seventeen".
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