Base | Representation |
---|---|
bin | 11101111001011100010111… |
… | …000111000010001011001111 |
3 | 122020120101202201211121011101 |
4 | 131321130113013002023033 |
5 | 114213321140220040202 |
6 | 1143354013410003531 |
7 | 36460616613233254 |
oct | 3571342707021317 |
9 | 566511681747141 |
10 | 131490811486927 |
11 | 38995a38142762 |
12 | 128b79728765a7 |
13 | 584a6b81567b9 |
14 | 246829138142b |
15 | 103059ee2a887 |
hex | 7797171c22cf |
131490811486927 has 2 divisors, whose sum is σ = 131490811486928. Its totient is φ = 131490811486926.
The previous prime is 131490811486891. The next prime is 131490811486961. The reversal of 131490811486927 is 729684118094131.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131490811486927 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131490811486987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65745405743463 + 65745405743464.
It is an arithmetic number, because the mean of its divisors is an integer number (65745405743464).
Almost surely, 2131490811486927 is an apocalyptic number.
131490811486927 is a deficient number, since it is larger than the sum of its proper divisors (1).
131490811486927 is an equidigital number, since it uses as much as digits as its factorization.
131490811486927 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20901888, while the sum is 64.
The spelling of 131490811486927 in words is "one hundred thirty-one trillion, four hundred ninety billion, eight hundred eleven million, four hundred eighty-six thousand, nine hundred twenty-seven".
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