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74912652530 = 2543174215471
BaseRepresentation
bin100010111000100100…
…1000101110011110010
321011100210101001020022
41011301021011303302
52211410114340110
654225302043442
75261256016532
oct1056111056362
9234323331208
1074912652530
112985226a691
1212628119582
1370ab172741
1438a925b4c2
151e36a61755
hex1171245cf2

74912652530 has 16 divisors (see below), whose sum is σ = 137978653824. Its totient is φ = 29268198960.

The previous prime is 74912652509. The next prime is 74912652559. The reversal of 74912652530 is 3525621947.

It is a super-2 number, since 2×749126525302 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87107306 + ... + 87108165.

It is an arithmetic number, because the mean of its divisors is an integer number (8623665864).

Almost surely, 274912652530 is an apocalyptic number.

74912652530 is a deficient number, since it is larger than the sum of its proper divisors (63066001294).

74912652530 is a wasteful number, since it uses less digits than its factorization.

74912652530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174215521.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 74912652530 in words is "seventy-four billion, nine hundred twelve million, six hundred fifty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 174215471 348430942 871077355 1742154710 7491265253 14982530506 37456326265 74912652530