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161272370193480 = 233257134922844023
BaseRepresentation
bin100100101010110100100110…
…010101100110010001001000
3210011000111011202200220022200
4210222310212111212101020
5132114241303232142410
61330555300514120200
745653354450365530
oct4452644625462110
9704014152626280
10161272370193480
1147428256680927
12161077ba580060
136bcabc47a7510
142bb78a538a4c0
15139a0e77a83c0
hex92ad26566448

161272370193480 has 192 divisors, whose sum is σ = 645089480904960. Its totient is φ = 34026697880064.

The previous prime is 161272370193419. The next prime is 161272370193497. The reversal of 161272370193480 is 84391073272161.

161272370193480 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 7 + 2 + 3 + 70 + 1 + 93 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2461389252 + ... + 2461454771.

It is an arithmetic number, because the mean of its divisors is an integer number (3359841046380).

Almost surely, 2161272370193480 is an apocalyptic number.

161272370193480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161272370193480 is an abundant number, since it is smaller than the sum of its proper divisors (483817110711480).

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

161272370193480 is a wasteful number, since it uses less digits than its factorization.

161272370193480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922844060 (or 4922844053 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 161272370193480 in words is "one hundred sixty-one trillion, two hundred seventy-two billion, three hundred seventy million, one hundred ninety-three thousand, four hundred eighty".