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18914403302 = 2315334916493
BaseRepresentation
bin10001100111011000…
…101110001111100110
31210211011210020112122
4101213120232033212
5302214041401202
612404505145542
71236500526644
oct214730561746
953734706478
1018914403302
118026762173
1237ba48b2b2
131a257cab22
14cb6056194
1575a7cc9a2
hex46762e3e6

18914403302 has 32 divisors (see below), whose sum is σ = 29926713600. Its totient is φ = 8953176960.

The previous prime is 18914403259. The next prime is 18914403307. The reversal of 18914403302 is 20330441981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914403307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138568 + ... + 1155060.

It is an arithmetic number, because the mean of its divisors is an integer number (935209800).

Almost surely, 218914403302 is an apocalyptic number.

18914403302 is a deficient number, since it is larger than the sum of its proper divisors (11012310298).

18914403302 is a wasteful number, since it uses less digits than its factorization.

18914403302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 18914403302 in words is "eighteen billion, nine hundred fourteen million, four hundred three thousand, three hundred two".

Divisors: 1 2 31 53 62 106 349 698 1643 3286 10819 16493 18497 21638 32986 36994 511283 573407 874129 1022566 1146814 1748258 5756057 11512114 27097999 54195998 178437767 305071021 356875534 610142042 9457201651 18914403302