Base | Representation |
---|---|
bin | 11101010001010100… |
… | …010000010111011111 |
3 | 10000010100021102112101 |
4 | 131101110100113133 |
5 | 1003331313113422 |
6 | 22234401145531 |
7 | 2161561252033 |
oct | 352124202737 |
9 | 100110242471 |
10 | 31429035487 |
11 | 123689645a3 |
12 | 611162b2a7 |
13 | 2c6b46b825 |
14 | 17421581c3 |
15 | c3e306c27 |
hex | 7515105df |
31429035487 has 2 divisors, whose sum is σ = 31429035488. Its totient is φ = 31429035486.
The previous prime is 31429035433. The next prime is 31429035493. The reversal of 31429035487 is 78453092413.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31429035487 - 27 = 31429035359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31429035887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15714517743 + 15714517744.
It is an arithmetic number, because the mean of its divisors is an integer number (15714517744).
Almost surely, 231429035487 is an apocalyptic number.
31429035487 is a deficient number, since it is larger than the sum of its proper divisors (1).
31429035487 is an equidigital number, since it uses as much as digits as its factorization.
31429035487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 725760, while the sum is 46.
The spelling of 31429035487 in words is "thirty-one billion, four hundred twenty-nine million, thirty-five thousand, four hundred eighty-seven".
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