Base | Representation |
---|---|
bin | 111100110110001110… |
… | …1110110001111001001 |
3 | 110111021112100220210102 |
4 | 1321230131312033021 |
5 | 4120102202020122 |
6 | 140010045255145 |
7 | 12304044216446 |
oct | 1715435661711 |
9 | 414245326712 |
10 | 130668782537 |
11 | 50464137377 |
12 | 213a88644b5 |
13 | c425603a47 |
14 | 64782389cd |
15 | 35eb91b492 |
hex | 1e6c7763c9 |
130668782537 has 2 divisors, whose sum is σ = 130668782538. Its totient is φ = 130668782536.
The previous prime is 130668782471. The next prime is 130668782551. The reversal of 130668782537 is 735287866031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 126263672896 + 4405109641 = 355336^2 + 66371^2 .
It is a cyclic number.
It is not a de Polignac number, because 130668782537 - 28 = 130668782281 is a prime.
It is not a weakly prime, because it can be changed into another prime (130668782597) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65334391268 + 65334391269.
It is an arithmetic number, because the mean of its divisors is an integer number (65334391269).
Almost surely, 2130668782537 is an apocalyptic number.
It is an amenable number.
130668782537 is a deficient number, since it is larger than the sum of its proper divisors (1).
130668782537 is an equidigital number, since it uses as much as digits as its factorization.
130668782537 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10160640, while the sum is 56.
The spelling of 130668782537 in words is "one hundred thirty billion, six hundred sixty-eight million, seven hundred eighty-two thousand, five hundred thirty-seven".
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