Base | Representation |
---|---|
bin | 1011101101111111… |
… | …1011110101010011 |
3 | 22010020012200011021 |
4 | 2323133323311103 |
5 | 22420300222211 |
6 | 1240051300311 |
7 | 140645046616 |
oct | 27337736523 |
9 | 8106180137 |
10 | 3145710931 |
11 | 1374743200 |
12 | 7395aa697 |
13 | 3b194111c |
14 | 21bad617d |
15 | 136277771 |
hex | bb7fbd53 |
3145710931 has 6 divisors (see below), whose sum is σ = 3457682396. Its totient is φ = 2859737100.
The previous prime is 3145710929. The next prime is 3145710947. The reversal of 3145710931 is 1390175413.
It is a happy number.
It is not a de Polignac number, because 3145710931 - 21 = 3145710929 is a prime.
It is a super-2 number, since 2×31457109312 = 19790994522825773522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3145710901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12998685 + ... + 12998926.
Almost surely, 23145710931 is an apocalyptic number.
3145710931 is a deficient number, since it is larger than the sum of its proper divisors (311971465).
3145710931 is a wasteful number, since it uses less digits than its factorization.
3145710931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25997633 (or 25997622 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 34.
The square root of 3145710931 is about 56086.6377223666. The cubic root of 3145710931 is about 1465.2315802997.
The spelling of 3145710931 in words is "three billion, one hundred forty-five million, seven hundred ten thousand, nine hundred thirty-one".
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