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161302092952320 = 28325178926934403
BaseRepresentation
bin100100101011010000010001…
…111100111011001100000000
3210011010022220012022111022200
4210223100101330323030000
5132120233141243433240
61331021054124033200
745655456142564235
oct4453202174731400
9704108805274280
10161302092952320
1147439919375531
1216111514692800
136c009505ac898
142bb90c4a6778c
15139ac86dbb930
hex92b411f3b300

161302092952320 has 864 divisors, whose sum is σ = 599795524036800. Its totient is φ = 39878824820736.

The previous prime is 161302092952313. The next prime is 161302092952379. The reversal of 161302092952320 is 23259290203161.

161302092952320 is a `hidden beast` number, since 1 + 6 + 1 + 30 + 2 + 0 + 9 + 295 + 2 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4688588239 + ... + 4688622641.

It is an arithmetic number, because the mean of its divisors is an integer number (694207782450).

Almost surely, 2161302092952320 is an apocalyptic number.

161302092952320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161302092952320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299897762018400).

161302092952320 is an abundant number, since it is smaller than the sum of its proper divisors (438493431084480).

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

161302092952320 is a wasteful number, since it uses less digits than its factorization.

161302092952320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34805 (or 34788 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 161302092952320 in words is "one hundred sixty-one trillion, three hundred two billion, ninety-two million, nine hundred fifty-two thousand, three hundred twenty".