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18124722104 = 232265590263
BaseRepresentation
bin10000111000010100…
…010100111110111000
31201210010212021120212
4100320110110332320
5244104412101404
612154255410252
71211101411256
oct207024247670
951703767525
1018124722104
117760a29a85
123619b23988
13192b01b948
14c3d2155d6
157112e306e
hex438514fb8

18124722104 has 8 divisors (see below), whose sum is σ = 33983853960. Its totient is φ = 9062361048.

The previous prime is 18124722071. The next prime is 18124722139. The reversal of 18124722104 is 40122742181.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132795124 + ... + 1132795139.

It is an arithmetic number, because the mean of its divisors is an integer number (4247981745).

Almost surely, 218124722104 is an apocalyptic number.

It is an amenable number.

18124722104 is a deficient number, since it is larger than the sum of its proper divisors (15859131856).

18124722104 is a wasteful number, since it uses less digits than its factorization.

18124722104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265590269 (or 2265590265 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 18124722104 in words is "eighteen billion, one hundred twenty-four million, seven hundred twenty-two thousand, one hundred four".

Divisors: 1 2 4 8 2265590263 4531180526 9062361052 18124722104