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74990517468 = 22314934185673
BaseRepresentation
bin100010111010111001…
…0000111110011011100
321011120012212222211220
41011311302013303130
52212040033024333
654241123013340
75263222611156
oct1056562076334
9234505788756
1074990517468
1129892212779
121264a20a250
1370c1336079
1438b5729ad6
151e3d7e28b3
hex1175c87cdc

74990517468 has 24 divisors (see below), whose sum is σ = 175095114768. Its totient is φ = 24980090496.

The previous prime is 74990517457. The next prime is 74990517523. The reversal of 74990517468 is 86471509947.

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, 2074921 + ... + 2110752.

It is an arithmetic number, because the mean of its divisors is an integer number (7295629782).

Almost surely, 274990517468 is an apocalyptic number.

It is an amenable number.

74990517468 is an abundant number, since it is smaller than the sum of its proper divisors (100104597300).

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

74990517468 is a wasteful number, since it uses less digits than its factorization.

74990517468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187173 (or 4187171 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 74990517468 in words is "seventy-four billion, nine hundred ninety million, five hundred seventeen thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1493 2986 4479 5972 8958 17916 4185673 8371346 12557019 16742692 25114038 50228076 6249209789 12498419578 18747629367 24996839156 37495258734 74990517468