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118440781118 = 21119310991139
BaseRepresentation
bin110111001001110011…
…1101110010100111110
3102022201100020002021222
41232103213232110332
53420031314443433
6130224432553342
711362034012522
oct1562347562476
9368640202258
10118440781118
1146259807980
121ab556b2852
13b22715c84a
145a38229d82
15313315eb98
hex1b939ee53e

118440781118 has 32 divisors (see below), whose sum is σ = 204080688000. Its totient is φ = 50986242720.

The previous prime is 118440781111. The next prime is 118440781133. The reversal of 118440781118 is 811187044811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118440781111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253993 + ... + 1345131.

It is an arithmetic number, because the mean of its divisors is an integer number (6377521500).

Almost surely, 2118440781118 is an apocalyptic number.

118440781118 is a deficient number, since it is larger than the sum of its proper divisors (85639906882).

118440781118 is a wasteful number, since it uses less digits than its factorization.

118440781118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94280.

The product of its (nonzero) digits is 57344, while the sum is 44.

The spelling of 118440781118 in words is "one hundred eighteen billion, four hundred forty million, seven hundred eighty-one thousand, one hundred eighteen".

Divisors: 1 2 11 19 22 38 209 418 3109 6218 34199 59071 68398 91139 118142 182278 649781 1002529 1299562 1731641 2005058 3463282 19048051 38096102 283351151 566702302 3116862661 5383671869 6233725322 10767343738 59220390559 118440781118