Base | Representation |
---|---|
bin | 111101011100011010… |
… | …1010011101000101111 |
3 | 110121120211012112200111 |
4 | 1322320311103220233 |
5 | 4130213200010222 |
6 | 140341134240451 |
7 | 12350562333361 |
oct | 1727065235057 |
9 | 417524175614 |
10 | 131950000687 |
11 | 50a6137654a |
12 | 216a5956127 |
13 | c59ab93bab |
14 | 655a46ad31 |
15 | 367414b777 |
hex | 1eb8d53a2f |
131950000687 has 2 divisors, whose sum is σ = 131950000688. Its totient is φ = 131950000686.
The previous prime is 131950000657. The next prime is 131950000709. The reversal of 131950000687 is 786000059131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131950000687 - 223 = 131941612079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131950000657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65975000343 + 65975000344.
It is an arithmetic number, because the mean of its divisors is an integer number (65975000344).
Almost surely, 2131950000687 is an apocalyptic number.
131950000687 is a deficient number, since it is larger than the sum of its proper divisors (1).
131950000687 is an equidigital number, since it uses as much as digits as its factorization.
131950000687 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45360, while the sum is 40.
The spelling of 131950000687 in words is "one hundred thirty-one billion, nine hundred fifty million, six hundred eighty-seven", and thus it is an aban number.
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