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102227789944 = 2375527330287
BaseRepresentation
bin101111100110101000…
…0000100100001111000
3100202212102121210112101
41133031100010201320
53133330303234234
6114543544153144
710246204606630
oct1371520044170
9322772553471
10102227789944
113a399a16715
121798ba687b4
139842221147
144d3ac936c0
1529d4ae5814
hex17cd404878

102227789944 has 32 divisors (see below), whose sum is σ = 219099847680. Its totient is φ = 43803850464.

The previous prime is 102227789899. The next prime is 102227789977. The reversal of 102227789944 is 449987722201.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144369 + ... + 474655.

It is an arithmetic number, because the mean of its divisors is an integer number (6846870240).

Almost surely, 2102227789944 is an apocalyptic number.

102227789944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102227789944 is an abundant number, since it is smaller than the sum of its proper divisors (116872057736).

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

102227789944 is a wasteful number, since it uses less digits than its factorization.

102227789944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335827 (or 335823 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 102227789944 in words is "one hundred two billion, two hundred twenty-seven million, seven hundred eighty-nine thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 5527 11054 22108 38689 44216 77378 154756 309512 330287 660574 1321148 2312009 2642296 4624018 9248036 18496072 1825496249 3650992498 7301984996 12778473743 14603969992 25556947486 51113894972 102227789944