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151222661320250 = 25313223720800201
BaseRepresentation
bin100010011000100101000101…
…000000101000111000111010
3201211102202010021110020201102
4202120211011000220320322
5124310113002244222000
61253342422003251402
743565322343410452
oct4230450500507072
9654382107406642
10151222661320250
1144203196a486a3
1214b63b6b379b62
13664c30acc1350
14294b304470d62
1512739ad82a3d5
hex898945028e3a

151222661320250 has 64 divisors (see below), whose sum is σ = 305001182801952. Its totient is φ = 55811096640000.

The previous prime is 151222661320201. The next prime is 151222661320267. The reversal of 151222661320250 is 52023166222151.

It can be written as a sum of positive squares in 16 ways, for example, as 385724218489 + 150836937101761 = 621067^2 + 12281569^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3129851 + ... + 17670350.

Almost surely, 2151222661320250 is an apocalyptic number.

151222661320250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151222661320250 is an abundant number, since it is smaller than the sum of its proper divisors (153778521481702).

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

151222661320250 is a wasteful number, since it uses less digits than its factorization.

151222661320250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20802468 (or 20802458 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 151222661320250 in words is "one hundred fifty-one trillion, two hundred twenty-two billion, six hundred sixty-one million, three hundred twenty thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 2237 3250 4474 11185 22370 29081 55925 58162 111850 145405 279625 290810 559250 727025 1454050 3635125 7270250 20800201 41600402 104001005 208002010 270402613 520005025 540805226 1040010050 1352013065 2600025125 2704026130 5200050250 6760065325 13520130650 33800326625 46530049637 67600653250 93060099274 232650248185 465300496370 604890645281 1163251240925 1209781290562 2326502481850 3024453226405 5816256204625 6048906452810 11632512409250 15122266132025 30244532264050 75611330660125 151222661320250