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18302964092 = 227653677289
BaseRepresentation
bin10001000010111100…
…010001000101111100
31202020120020220121222
4101002330101011330
5244441024322332
612224104012512
71215364425230
oct210274210574
952216226558
1018302964092
117842600906
123669761138
131958c2858a
14c58b725c0
15721ca0712
hex442f1117c

18302964092 has 12 divisors (see below), whose sum is σ = 36605928240. Its totient is φ = 7844127456.

The previous prime is 18302964091. The next prime is 18302964109. The reversal of 18302964092 is 29046920381.

18302964092 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18302964091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326838617 + ... + 326838672.

It is an arithmetic number, because the mean of its divisors is an integer number (3050494020).

Almost surely, 218302964092 is an apocalyptic number.

It is an amenable number.

18302964092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18302964092 is a wasteful number, since it uses less digits than its factorization.

18302964092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653677300 (or 653677298 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 18302964092 in words is "eighteen billion, three hundred two million, nine hundred sixty-four thousand, ninety-two".

Divisors: 1 2 4 7 14 28 653677289 1307354578 2614709156 4575741023 9151482046 18302964092