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117542430774 = 2337130657911
BaseRepresentation
bin110110101111000010…
…0110010100000110110
3102020101201211011022000
41231132010302200312
53411211330241044
6125555342120130
711330545114356
oct1553604624066
9366351734260
10117542430774
1145938701a7a
121a944880046
13b112cc2cb2
145990bbcb66
1530ce35bd69
hex1b5e132836

117542430774 has 32 divisors (see below), whose sum is σ = 264884359680. Its totient is φ = 38628966600.

The previous prime is 117542430769. The next prime is 117542430779. The reversal of 117542430774 is 477034245711.

117542430774 is a `hidden beast` number, since 1 + 1 + 7 + 542 + 4 + 30 + 7 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (117542430769) and next prime (117542430779).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117542430779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15325122 + ... + 15332789.

It is an arithmetic number, because the mean of its divisors is an integer number (8277636240).

Almost surely, 2117542430774 is an apocalyptic number.

117542430774 is an abundant number, since it is smaller than the sum of its proper divisors (147341928906).

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

117542430774 is a wasteful number, since it uses less digits than its factorization.

117542430774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30657993 (or 30657987 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 117542430774 in words is "one hundred seventeen billion, five hundred forty-two million, four hundred thirty thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 71 142 213 426 639 1278 1917 3834 30657911 61315822 91973733 183947466 275921199 551842398 827763597 1655527194 2176711681 4353423362 6530135043 13060270086 19590405129 39180810258 58771215387 117542430774