Base | Representation |
---|---|
bin | 11101111001011100010111… |
… | …000111000010001010110110 |
3 | 122020120101202201211121010110 |
4 | 131321130113013002022312 |
5 | 114213321140220040102 |
6 | 1143354013410003450 |
7 | 36460616613233220 |
oct | 3571342707021266 |
9 | 566511681747113 |
10 | 131490811486902 |
11 | 38995a3814273a |
12 | 128b7972876586 |
13 | 584a6b815679a |
14 | 2468291381410 |
15 | 103059ee2a86c |
hex | 7797171c22b6 |
131490811486902 has 16 divisors (see below), whose sum is σ = 300550426255872. Its totient is φ = 37568803281960.
The previous prime is 131490811486891. The next prime is 131490811486927. The reversal of 131490811486902 is 209684118094131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565366803374 + ... + 1565366803457.
It is an arithmetic number, because the mean of its divisors is an integer number (18784401640992).
Almost surely, 2131490811486902 is an apocalyptic number.
131490811486902 is an abundant number, since it is smaller than the sum of its proper divisors (169059614768970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131490811486902 is a wasteful number, since it uses less digits than its factorization.
131490811486902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3130733606843.
The product of its (nonzero) digits is 2985984, while the sum is 57.
The spelling of 131490811486902 in words is "one hundred thirty-one trillion, four hundred ninety billion, eight hundred eleven million, four hundred eighty-six thousand, nine hundred two".
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