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74274118872 = 23317182044409
BaseRepresentation
bin100010100101100010…
…1010001110011011000
321002201021212011201120
41011023011101303120
52204103133300442
654042052045240
75236403410422
oct1051305216330
9232637764646
1074274118872
1129554892918
121248a303820
137008aa4885
143848523812
151dea9814ec
hex114b151cd8

74274118872 has 32 divisors (see below), whose sum is σ = 196607962800. Its totient is φ = 23301684224.

The previous prime is 74274118837. The next prime is 74274118979. The reversal of 74274118872 is 27881147247.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91021797 + ... + 91022612.

Almost surely, 274274118872 is an apocalyptic number.

It is an amenable number.

74274118872 is an abundant number, since it is smaller than the sum of its proper divisors (122333843928).

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

74274118872 is a wasteful number, since it uses less digits than its factorization.

74274118872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182044435 (or 182044431 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 51.

The spelling of 74274118872 in words is "seventy-four billion, two hundred seventy-four million, one hundred eighteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 182044409 364088818 546133227 728177636 1092266454 1456355272 2184532908 3094754953 4369065816 6189509906 9284264859 12379019812 18568529718 24758039624 37137059436 74274118872