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18830299194 = 2327543727487
BaseRepresentation
bin10001100010010111…
…111001000000111010
31210121022112022101200
4101202113321000322
5302031024033234
612352302355030
71234426621320
oct214227710072
953538468350
1018830299194
117a93238543
12379628ba76
131a11261695
14ca8c01d10
15753217d99
hex4625f903a

18830299194 has 48 divisors (see below), whose sum is σ = 46637680128. Its totient is φ = 5378900256.

The previous prime is 18830299177. The next prime is 18830299211. The reversal of 18830299194 is 49199203881.

It is an interprime number because it is at equal distance from previous prime (18830299177) and next prime (18830299211).

It is a self number, because there is not a number n which added to its sum of digits gives 18830299194.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671319 + ... + 698805.

It is an arithmetic number, because the mean of its divisors is an integer number (971618336).

Almost surely, 218830299194 is an apocalyptic number.

18830299194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18830299194 is an abundant number, since it is smaller than the sum of its proper divisors (27807380934).

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

18830299194 is a wasteful number, since it uses less digits than its factorization.

18830299194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939 (or 32936 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

It can be divided in two parts, 188302 and 99194, that added together give a cube (287496 = 663).

The spelling of 18830299194 in words is "eighteen billion, eight hundred thirty million, two hundred ninety-nine thousand, one hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 5437 10874 16311 27487 32622 38059 48933 54974 76118 82461 97866 114177 164922 192409 228354 247383 342531 384818 494766 577227 685062 1154454 1731681 3463362 149446819 298893638 448340457 896680914 1046127733 1345021371 2092255466 2690042742 3138383199 6276766398 9415149597 18830299194