Base | Representation |
---|---|
bin | 11101110111000111111010… |
… | …101010110111101101001111 |
3 | 122020000011100111200011101200 |
4 | 131313013322222313231033 |
5 | 114203213222130131030 |
6 | 1143152453253040543 |
7 | 36443245013523105 |
oct | 3567077252675517 |
9 | 566004314604350 |
10 | 131331420552015 |
11 | 3893438510a182 |
12 | 12890aab026153 |
13 | 583866613a928 |
14 | 24606906d3c75 |
15 | 102b371b9bd60 |
hex | 7771faab7b4f |
131331420552015 has 96 divisors (see below), whose sum is σ = 234489731224320. Its totient is φ = 67959267038208.
The previous prime is 131331420552001. The next prime is 131331420552113. The reversal of 131331420552015 is 510255024133131.
It is a happy number.
131331420552015 is a `hidden beast` number, since 1 + 31 + 3 + 31 + 42 + 0 + 552 + 0 + 1 + 5 = 666.
It is not a de Polignac number, because 131331420552015 - 218 = 131331420289871 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 194248071 + ... + 194922999.
It is an arithmetic number, because the mean of its divisors is an integer number (2442601366920).
Almost surely, 2131331420552015 is an apocalyptic number.
131331420552015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131331420552015 is a deficient number, since it is larger than the sum of its proper divisors (103158310672305).
131331420552015 is a wasteful number, since it uses less digits than its factorization.
131331420552015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 675653 (or 675650 counting only the distinct ones).
The product of its (nonzero) digits is 54000, while the sum is 36.
Adding to 131331420552015 its reverse (510255024133131), we get a palindrome (641586444685146).
The spelling of 131331420552015 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty million, five hundred fifty-two thousand, fifteen".
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