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115654994113 = 521221986553
BaseRepresentation
bin110101110110110010…
…0110010100011000001
3102001112012021102221111
41223231210302203001
53343330134302423
6125044155523321
711233016141521
oct1535544624301
9361465242844
10115654994113
114505a25796a
121a4b8759541
13aba1c6a979
145852265681
15301d7d160d
hex1aed9328c1

115654994113 has 4 divisors (see below), whose sum is σ = 115876981188. Its totient is φ = 115433007040.

The previous prime is 115654994111. The next prime is 115654994123. The reversal of 115654994113 is 311499456511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74888153649 + 40766840464 = 273657^2 + 201908^2 .

It is a cyclic number.

It is not a de Polignac number, because 115654994113 - 21 = 115654994111 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115654994111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110992756 + ... + 110993797.

It is an arithmetic number, because the mean of its divisors is an integer number (28969245297).

Almost surely, 2115654994113 is an apocalyptic number.

It is an amenable number.

115654994113 is a deficient number, since it is larger than the sum of its proper divisors (221987075).

115654994113 is an equidigital number, since it uses as much as digits as its factorization.

115654994113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221987074.

The product of its digits is 583200, while the sum is 49.

The spelling of 115654994113 in words is "one hundred fifteen billion, six hundred fifty-four million, nine hundred ninety-four thousand, one hundred thirteen".

Divisors: 1 521 221986553 115654994113