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117943499520 = 28335711234147
BaseRepresentation
bin110110111010111111…
…0101111101100000000
3102021102200111120012000
41231311332233230000
53413022013441040
6130103230304000
711343515130120
oct1556576575400
9367380446160
10117943499520
1146024037950
121aa37058000
13b178119b92
1459cc180c80
153104682130
hex1b75fafb00

117943499520 has 2304 divisors, whose sum is σ = 569646120960. Its totient is φ = 22383820800.

The previous prime is 117943499519. The next prime is 117943499551. The reversal of 117943499520 is 25994349711.

117943499520 is a `hidden beast` number, since 1 + 1 + 79 + 4 + 3 + 49 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2509436137 + ... + 2509436183.

It is an arithmetic number, because the mean of its divisors is an integer number (247242240).

Almost surely, 2117943499520 is an apocalyptic number.

117943499520 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 117943499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284823060480).

117943499520 is an abundant number, since it is smaller than the sum of its proper divisors (451702621440).

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

117943499520 is a wasteful number, since it uses less digits than its factorization.

117943499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 117943499520 in words is "one hundred seventeen billion, nine hundred forty-three million, four hundred ninety-nine thousand, five hundred twenty".