Base | Representation |
---|---|
bin | 10010111010101101… |
… | …01100010101101001 |
3 | 222012210121121111011 |
4 | 21131112230111221 |
5 | 131244434230312 |
6 | 4355441503521 |
7 | 506451654625 |
oct | 113526542551 |
9 | 28183547434 |
10 | 10156164457 |
11 | 434198774a |
12 | 1b75341ba1 |
13 | c5b16718a |
14 | 6c4bb4185 |
15 | 3e6958da7 |
hex | 25d5ac569 |
10156164457 has 2 divisors, whose sum is σ = 10156164458. Its totient is φ = 10156164456.
The previous prime is 10156164451. The next prime is 10156164461. The reversal of 10156164457 is 75446165101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8070506896 + 2085657561 = 89836^2 + 45669^2 .
It is an emirp because it is prime and its reverse (75446165101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10156164457 - 231 = 8008680809 is a prime.
It is not a weakly prime, because it can be changed into another prime (10156164451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078082228 + 5078082229.
It is an arithmetic number, because the mean of its divisors is an integer number (5078082229).
Almost surely, 210156164457 is an apocalyptic number.
It is an amenable number.
10156164457 is a deficient number, since it is larger than the sum of its proper divisors (1).
10156164457 is an equidigital number, since it uses as much as digits as its factorization.
10156164457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 100800, while the sum is 40.
The spelling of 10156164457 in words is "ten billion, one hundred fifty-six million, one hundred sixty-four thousand, four hundred fifty-seven".
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