Base | Representation |
---|---|
bin | 1111101001000… |
… | …01101101100011 |
3 | 100010220011101201 |
4 | 13310201231203 |
5 | 232042210313 |
6 | 21004142031 |
7 | 3152160454 |
oct | 764415543 |
9 | 303804351 |
10 | 131210083 |
11 | 68079094 |
12 | 37b37917 |
13 | 21250504 |
14 | 135d712b |
15 | b7bc0dd |
hex | 7d21b63 |
131210083 has 2 divisors, whose sum is σ = 131210084. Its totient is φ = 131210082.
The previous prime is 131210021. The next prime is 131210087. The reversal of 131210083 is 380012131.
It is a strong prime.
It is an emirp because it is prime and its reverse (380012131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 131210083 - 213 = 131201891 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131210083.
It is not a weakly prime, because it can be changed into another prime (131210087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605041 + 65605042.
It is an arithmetic number, because the mean of its divisors is an integer number (65605042).
Almost surely, 2131210083 is an apocalyptic number.
131210083 is a deficient number, since it is larger than the sum of its proper divisors (1).
131210083 is an equidigital number, since it uses as much as digits as its factorization.
131210083 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 131210083 is about 11454.6969842070. The cubic root of 131210083 is about 508.1466538270.
The spelling of 131210083 in words is "one hundred thirty-one million, two hundred ten thousand, eighty-three".
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