Base | Representation |
---|---|
bin | 111010010010011… |
… | …0000010100000011 |
3 | 12001022011112102121 |
4 | 1310210300110003 |
5 | 13001140322011 |
6 | 522023225111 |
7 | 66315646606 |
oct | 16444602403 |
9 | 5038145377 |
10 | 1955792131 |
11 | 913aa2637 |
12 | 466ba8197 |
13 | 252269467 |
14 | 147a6c33d |
15 | b6a7de71 |
hex | 74930503 |
1955792131 has 2 divisors, whose sum is σ = 1955792132. Its totient is φ = 1955792130.
The previous prime is 1955792101. The next prime is 1955792147. The reversal of 1955792131 is 1312975591.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1955792131 - 213 = 1955783939 is a prime.
It is a super-2 number, since 2×19557921312 = 7650245719363042322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1955792101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977896065 + 977896066.
It is an arithmetic number, because the mean of its divisors is an integer number (977896066).
Almost surely, 21955792131 is an apocalyptic number.
1955792131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1955792131 is an equidigital number, since it uses as much as digits as its factorization.
1955792131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 85050, while the sum is 43.
The square root of 1955792131 is about 44224.3386722741. The cubic root of 1955792131 is about 1250.5687291452.
The spelling of 1955792131 in words is "one billion, nine hundred fifty-five million, seven hundred ninety-two thousand, one hundred thirty-one".
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