Base | Representation |
---|---|
bin | 10010110110110010… |
… | …10111100000110101 |
3 | 222010111210111020021 |
4 | 21123121113200311 |
5 | 131213031424112 |
6 | 4352305405141 |
7 | 505602503461 |
oct | 113331274065 |
9 | 28114714207 |
10 | 10123311157 |
11 | 4325388563 |
12 | 1b663397b1 |
13 | c5440355b |
14 | 6c06a14a1 |
15 | 3e3b19907 |
hex | 25b657835 |
10123311157 has 2 divisors, whose sum is σ = 10123311158. Its totient is φ = 10123311156.
The previous prime is 10123311127. The next prime is 10123311217. The reversal of 10123311157 is 75111332101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7949327281 + 2173983876 = 89159^2 + 46626^2 .
It is a cyclic number.
It is not a de Polignac number, because 10123311157 - 223 = 10114922549 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10123311127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061655578 + 5061655579.
It is an arithmetic number, because the mean of its divisors is an integer number (5061655579).
Almost surely, 210123311157 is an apocalyptic number.
It is an amenable number.
10123311157 is a deficient number, since it is larger than the sum of its proper divisors (1).
10123311157 is an equidigital number, since it uses as much as digits as its factorization.
10123311157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 630, while the sum is 25.
Adding to 10123311157 its reverse (75111332101), we get a palindrome (85234643258).
The spelling of 10123311157 in words is "ten billion, one hundred twenty-three million, three hundred eleven thousand, one hundred fifty-seven".
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