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115121120994 = 23311215390017
BaseRepresentation
bin110101100110111000…
…0001110011011100010
3102000010222200212201000
41223031300032123202
53341232001332434
6124515205052430
711213544245235
oct1531560163342
9360128625630
10115121120994
1144905965110
121a3899b7116
13ab18485a09
1458013b341c
152edb9c6b99
hex1acdc0e6e2

115121120994 has 64 divisors (see below), whose sum is σ = 279214231680. Its totient is φ = 34868597760.

The previous prime is 115121120993. The next prime is 115121121023. The reversal of 115121120994 is 499021121511.

115121120994 is a `hidden beast` number, since 1 + 151 + 211 + 209 + 94 = 666.

It is not an unprimeable number, because it can be changed into a prime (115121120993) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1233874 + ... + 1323890.

It is an arithmetic number, because the mean of its divisors is an integer number (4362722370).

Almost surely, 2115121120994 is an apocalyptic number.

115121120994 is an abundant number, since it is smaller than the sum of its proper divisors (164093110686).

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

115121120994 is a wasteful number, since it uses less digits than its factorization.

115121120994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92192 (or 92186 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 115121120994 in words is "one hundred fifteen billion, one hundred twenty-one million, one hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 2153 4306 6459 12918 19377 23683 38754 47366 58131 71049 90017 116262 142098 180034 213147 270051 426294 540102 639441 810153 990187 1278882 1620306 1980374 2430459 2970561 4860918 5941122 8911683 17823366 26735049 53470098 193806601 387613202 581419803 1162839606 1744259409 2131872611 3488518818 4263745222 5232778227 6395617833 10465556454 12791235666 19186853499 38373706998 57560560497 115121120994