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187118012116 = 2277147993493
BaseRepresentation
bin1010111001000100011…
…0100100011011010100
3122212222120112220020001
42232101012210123110
511031204202341431
6221543312221044
716342646601010
oct2562106443324
9585876486201
10187118012116
11723a1270022
123032153a784
1314850529639
1490b12b5540
154d02583e61
hex2b911a46d4

187118012116 has 24 divisors (see below), whose sum is σ = 374245262720. Its totient is φ = 80191454112.

The previous prime is 187118012071. The next prime is 187118012131. The reversal of 187118012116 is 611210811781.

It is a super-3 number, since 3×1871180121163 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954666 + ... + 2048158.

Almost surely, 2187118012116 is an apocalyptic number.

It is an amenable number.

187118012116 is an abundant number, since it is smaller than the sum of its proper divisors (187127250604).

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

187118012116 is a wasteful number, since it uses less digits than its factorization.

187118012116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164983 (or 164981 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 37.

Adding to 187118012116 its reverse (611210811781), we get a palindrome (798328823897).

The spelling of 187118012116 in words is "one hundred eighty-seven billion, one hundred eighteen million, twelve thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 71479 93493 142958 186986 285916 373972 500353 654451 1000706 1308902 2001412 2617804 6682786147 13365572294 26731144588 46779503029 93559006058 187118012116