Base | Representation |
---|---|
bin | 11011110110110010101… |
… | …00100101101101000001 |
3 | 10101111111221200110021202 |
4 | 31323121110211231001 |
5 | 111140144432333042 |
6 | 2011410543430545 |
7 | 126102354335024 |
oct | 15733124455501 |
9 | 3344457613252 |
10 | 957128792897 |
11 | 339a09284522 |
12 | 1355b85b5455 |
13 | 6c345416c84 |
14 | 3447a7db1bb |
15 | 19d6cb7b632 |
hex | ded9525b41 |
957128792897 has 4 divisors (see below), whose sum is σ = 957395927040. Its totient is φ = 956861658756.
The previous prime is 957128792869. The next prime is 957128792927. The reversal of 957128792897 is 798297821759.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798297821759 = 3877 ⋅205906067.
It is a cyclic number.
It is not a de Polignac number, because 957128792897 - 230 = 956055051073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (957128797897) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133561697 + ... + 133568862.
It is an arithmetic number, because the mean of its divisors is an integer number (239348981760).
Almost surely, 2957128792897 is an apocalyptic number.
It is an amenable number.
957128792897 is a deficient number, since it is larger than the sum of its proper divisors (267134143).
957128792897 is a wasteful number, since it uses less digits than its factorization.
957128792897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267134142.
The product of its digits is 320060160, while the sum is 74.
The spelling of 957128792897 in words is "nine hundred fifty-seven billion, one hundred twenty-eight million, seven hundred ninety-two thousand, eight hundred ninety-seven".
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