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187942484106 = 232132927695621
BaseRepresentation
bin1010111100001000111…
…1101011100010001010
3122222010000221102011200
42233002033223202022
511034401233442411
6222201203405030
716402250520306
oct2570217534212
9588100842150
10187942484106
11727846a6033
1230511683776
131495229a2a0
14914c9b0d06
154d4eb41e56
hex2bc23eb88a

187942484106 has 48 divisors (see below), whose sum is σ = 453654288360. Its totient is φ = 55834369920.

The previous prime is 187942484071. The next prime is 187942484113. The reversal of 187942484106 is 601484249781.

187942484106 is a `hidden beast` number, since 18 + 7 + 9 + 42 + 484 + 106 = 666.

187942484106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 165356902881 + 22585581225 = 406641^2 + 150285^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13841025 + ... + 13854596.

Almost surely, 2187942484106 is an apocalyptic number.

187942484106 is an abundant number, since it is smaller than the sum of its proper divisors (265711804254).

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

187942484106 is a wasteful number, since it uses less digits than its factorization.

187942484106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27695671 (or 27695668 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 187942484106 in words is "one hundred eighty-seven billion, nine hundred forty-two million, four hundred eighty-four thousand, one hundred six".

Divisors: 1 2 3 6 9 13 18 26 29 39 58 78 87 117 174 234 261 377 522 754 1131 2262 3393 6786 27695621 55391242 83086863 166173726 249260589 360043073 498521178 720086146 803173009 1080129219 1606346018 2160258438 2409519027 3240387657 4819038054 6480775314 7228557081 10441249117 14457114162 20882498234 31323747351 62647494702 93971242053 187942484106