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74993197032 = 233313223179499
BaseRepresentation
bin100010111010111110…
…0010101111111101000
321011120101221010112000
41011311330111333220
52212041224301112
654241300251000
75263254441255
oct1056574257750
9234511833460
1074993197032
1129893782996
121264b0a0a60
1370c1a63900
1438b5c2642c
151e3db717dc
hex1175f15fe8

74993197032 has 384 divisors, whose sum is σ = 237168000000. Its totient is φ = 21904286976.

The previous prime is 74993197021. The next prime is 74993197033. The reversal of 74993197032 is 23079139947.

74993197032 is a `hidden beast` number, since 7 + 499 + 31 + 97 + 0 + 32 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74993197032.

It is not an unprimeable number, because it can be changed into a prime (74993197033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 150286719 + ... + 150287217.

It is an arithmetic number, because the mean of its divisors is an integer number (617625000).

Almost surely, 274993197032 is an apocalyptic number.

74993197032 is a gapful number since it is divisible by the number (72) 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 74993197032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118584000000).

74993197032 is an abundant number, since it is smaller than the sum of its proper divisors (162174802968).

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

74993197032 is a wasteful number, since it uses less digits than its factorization.

74993197032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 74993197032 in words is "seventy-four billion, nine hundred ninety-three million, one hundred ninety-seven thousand, thirty-two".