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113781748086 = 2332107069409
BaseRepresentation
bin110100111110111101…
…0111011000101110110
3101212200122102200111000
41221331322323011312
53331011111414321
6124134241424130
711135421621036
oct1517572730566
9355618380430
10113781748086
1144288915456
121a07533b046
13a963b43776
1457155638c6
152e5e10a826
hex1a7debb176

113781748086 has 16 divisors (see below), whose sum is σ = 252848329200. Its totient is φ = 37927249344.

The previous prime is 113781748081. The next prime is 113781748103. The reversal of 113781748086 is 680847187311.

113781748086 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 81 + 7 + 480 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2107069409 = 113781748086 / (1 + 1 + 3 + 7 + 8 + 1 + 7 + 4 + 8 + 0 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113781748081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053534651 + ... + 1053534758.

It is an arithmetic number, because the mean of its divisors is an integer number (15803020575).

Almost surely, 2113781748086 is an apocalyptic number.

113781748086 is an abundant number, since it is smaller than the sum of its proper divisors (139066581114).

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

113781748086 is a wasteful number, since it uses less digits than its factorization.

113781748086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107069420 (or 2107069414 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 113781748086 in words is "one hundred thirteen billion, seven hundred eighty-one million, seven hundred forty-eight thousand, eighty-six".

Divisors: 1 2 3 6 9 18 27 54 2107069409 4214138818 6321208227 12642416454 18963624681 37927249362 56890874043 113781748086