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18075648932 = 2211883946477
BaseRepresentation
bin10000110101011001…
…001000001110100100
31201122201112002211222
4100311121020032210
5244004331231212
612145343515512
71206634323635
oct206531101644
951581462758
1018075648932
117736261640
1236055b8b98
131920ac9373
14c368bd88c
1570bd4cc72
hex4356483a4

18075648932 has 24 divisors (see below), whose sum is σ = 34512703680. Its totient is φ = 8215097760.

The previous prime is 18075648881. The next prime is 18075648937. The reversal of 18075648932 is 23984657081.

It is not an unprimeable number, because it can be changed into a prime (18075648937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365678 + ... + 412154.

It is an arithmetic number, because the mean of its divisors is an integer number (1438029320).

It is a 1-persistent number, because it is pandigital, but 2⋅18075648932 = 36151297864 is not.

Almost surely, 218075648932 is an apocalyptic number.

It is an amenable number.

18075648932 is a deficient number, since it is larger than the sum of its proper divisors (16437054748).

18075648932 is a wasteful number, since it uses less digits than its factorization.

18075648932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55331 (or 55329 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 18075648932 in words is "eighteen billion, seventy-five million, six hundred forty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 11 22 44 8839 17678 35356 46477 92954 97229 185908 194458 388916 511247 1022494 2044988 410810203 821620406 1643240812 4518912233 9037824466 18075648932