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131009304665248 = 25231410791261717
BaseRepresentation
bin11101110010011011111011…
…000100010001110010100000
3122011212100220200210200102021
4131302123323010101302200
5114132424023443241443
61142344502123431224
736411052461621442
oct3562337304216240
9564770820720367
10131009304665248
113881a809094909
121283a593085514
1358141804733b9
14244cc54286492
151022cbcb1c9ed
hex7726fb111ca0

131009304665248 has 48 divisors (see below), whose sum is σ = 269140801265280. Its totient is φ = 62656130186496.

The previous prime is 131009304665203. The next prime is 131009304665257. The reversal of 131009304665248 is 842566403900131.

It is a junction number, because it is equal to n+sod(n) for n = 131009304665195 and 131009304665204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103203286 + ... + 104465002.

It is an arithmetic number, because the mean of its divisors is an integer number (5607100026360).

Almost surely, 2131009304665248 is an apocalyptic number.

It is an amenable number.

131009304665248 is an abundant number, since it is smaller than the sum of its proper divisors (138131496600032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131009304665248 is a wasteful number, since it uses less digits than its factorization.

131009304665248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402829 (or 1402821 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 131009304665248 in words is "one hundred thirty-one trillion, nine billion, three hundred four million, six hundred sixty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 141079 282158 564316 1128632 1261717 2257264 2523434 3244817 4514528 5046868 6489634 10093736 12979268 20187472 25958536 29019491 40374944 51917072 58038982 103834144 116077964 232155928 464311856 928623712 178001772643 356003545286 712007090572 1424014181144 2848028362288 4094040770789 5696056724576 8188081541578 16376163083156 32752326166312 65504652332624 131009304665248