Base | Representation |
---|---|
bin | 1011101010100010… |
… | …0101001001010111 |
3 | 22002012220110000121 |
4 | 2322220211021113 |
5 | 22403041400322 |
6 | 1234412252411 |
7 | 140410522141 |
oct | 27250451127 |
9 | 8065813017 |
10 | 3131200087 |
11 | 1367531a74 |
12 | 734771107 |
13 | 3ab930322 |
14 | 219bd9c91 |
15 | 134d5cec7 |
hex | baa25257 |
3131200087 has 2 divisors, whose sum is σ = 3131200088. Its totient is φ = 3131200086.
The previous prime is 3131200069. The next prime is 3131200099. The reversal of 3131200087 is 7800021313.
3131200087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 3131200087 - 27 = 3131199959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3131200027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565600043 + 1565600044.
It is an arithmetic number, because the mean of its divisors is an integer number (1565600044).
Almost surely, 23131200087 is an apocalyptic number.
3131200087 is a deficient number, since it is larger than the sum of its proper divisors (1).
3131200087 is an equidigital number, since it uses as much as digits as its factorization.
3131200087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 3131200087 is about 55957.1272225442. The cubic root of 3131200087 is about 1462.9751191318.
The spelling of 3131200087 in words is "three billion, one hundred thirty-one million, two hundred thousand, eighty-seven".
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