Base | Representation |
---|---|
bin | 1011101010100000… |
… | …1000100001110110 |
3 | 22002012200111020020 |
4 | 2322220020201312 |
5 | 22403024122440 |
6 | 1234405550010 |
7 | 140406523326 |
oct | 27250104166 |
9 | 8065614206 |
10 | 3131082870 |
11 | 13674619a3 |
12 | 734715306 |
13 | 3ab8bbb76 |
14 | 219ba9286 |
15 | 134d383d0 |
hex | baa08876 |
3131082870 has 32 divisors (see below), whose sum is σ = 7605142272. Its totient is φ = 824895072.
The previous prime is 3131082841. The next prime is 3131082893. The reversal of 3131082870 is 782801313.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626242 + ... + 631221.
It is an arithmetic number, because the mean of its divisors is an integer number (237660696).
Almost surely, 23131082870 is an apocalyptic number.
3131082870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3131082870 is an abundant number, since it is smaller than the sum of its proper divisors (4474059402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131082870 is a wasteful number, since it uses less digits than its factorization.
3131082870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257556.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 3131082870 is about 55956.0798305242. The cubic root of 3131082870 is about 1462.9568633311.
The spelling of 3131082870 in words is "three billion, one hundred thirty-one million, eighty-two thousand, eight hundred seventy".
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