Base | Representation |
---|---|
bin | 1111101000110… |
… | …10101000000011 |
3 | 100010211200120202 |
4 | 13310122220003 |
5 | 232040243214 |
6 | 21003355415 |
7 | 3152010032 |
oct | 764325003 |
9 | 303750522 |
10 | 131181059 |
11 | 680592a9 |
12 | 37b22b6b |
13 | 21240239 |
14 | 135ca719 |
15 | b7b36de |
hex | 7d1aa03 |
131181059 has 2 divisors, whose sum is σ = 131181060. Its totient is φ = 131181058.
The previous prime is 131181041. The next prime is 131181079. The reversal of 131181059 is 950181131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131181059 - 212 = 131176963 is a prime.
It is a super-2 number, since 2×1311810592 = 34416940480722962, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (131181019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65590529 + 65590530.
It is an arithmetic number, because the mean of its divisors is an integer number (65590530).
Almost surely, 2131181059 is an apocalyptic number.
131181059 is a deficient number, since it is larger than the sum of its proper divisors (1).
131181059 is an equidigital number, since it uses as much as digits as its factorization.
131181059 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1080, while the sum is 29.
The square root of 131181059 is about 11453.4300102633. The cubic root of 131181059 is about 508.1091832919.
The spelling of 131181059 in words is "one hundred thirty-one million, one hundred eighty-one thousand, fifty-nine".
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