Base | Representation |
---|---|
bin | 111101001001000011… |
… | …0001011011001110101 |
3 | 110112220112022202222201 |
4 | 1322102012023121311 |
5 | 4122400312040424 |
6 | 140152441024501 |
7 | 12325511352214 |
oct | 1722206133165 |
9 | 415815282881 |
10 | 131300111989 |
11 | 50758543552 |
12 | 21544185131 |
13 | c4c634b777 |
14 | 64d801907b |
15 | 3637076d44 |
hex | 1e9218b675 |
131300111989 has 2 divisors, whose sum is σ = 131300111990. Its totient is φ = 131300111988.
The previous prime is 131300111981. The next prime is 131300112067. The reversal of 131300111989 is 989111003131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 74580879025 + 56719232964 = 273095^2 + 238158^2 .
It is a cyclic number.
It is not a de Polignac number, because 131300111989 - 23 = 131300111981 is a prime.
It is a super-2 number, since 2×1313001119892 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131300111981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65650055994 + 65650055995.
It is an arithmetic number, because the mean of its divisors is an integer number (65650055995).
Almost surely, 2131300111989 is an apocalyptic number.
It is an amenable number.
131300111989 is a deficient number, since it is larger than the sum of its proper divisors (1).
131300111989 is an equidigital number, since it uses as much as digits as its factorization.
131300111989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5832, while the sum is 37.
The spelling of 131300111989 in words is "one hundred thirty-one billion, three hundred million, one hundred eleven thousand, nine hundred eighty-nine".
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