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117451838160 = 24335471577369
BaseRepresentation
bin110110101100010101…
…1001101001011010000
3102020011102100120121000
41231120223031023100
53411020132310120
6125542344302000
711325365103066
oct1553053151320
9366142316530
10117451838160
11458a1556448
121a91a471900
13b0ca2c43b7
145982b5a036
1530c6414990
hex1b58acd2d0

117451838160 has 320 divisors, whose sum is σ = 415851955200. Its totient is φ = 30454714368.

The previous prime is 117451838149. The next prime is 117451838177. The reversal of 117451838160 is 61838154711.

117451838160 is a `hidden beast` number, since 1 + 1 + 7 + 451 + 8 + 38 + 160 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15934956 + ... + 15942324.

It is an arithmetic number, because the mean of its divisors is an integer number (1299537360).

Almost surely, 2117451838160 is an apocalyptic number.

117451838160 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 117451838160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207925977600).

117451838160 is an abundant number, since it is smaller than the sum of its proper divisors (298400117040).

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

117451838160 is a wasteful number, since it uses less digits than its factorization.

117451838160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595 (or 7583 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 117451838160 in words is "one hundred seventeen billion, four hundred fifty-one million, eight hundred thirty-eight thousand, one hundred sixty".