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115720264361 = 1356207158371
BaseRepresentation
bin110101111000101110…
…1110001101010101001
3102001200202002111220002
41223301131301222221
53343443341424421
6125054450512345
711234441006012
oct1536135615251
9361622074802
10115720264361
1145093088419
121a5165956b5
13abb2641710
14585abb6009
1530243c5b0b
hex1af1771aa9

115720264361 has 8 divisors (see below), whose sum is σ = 124624827264. Its totient is φ = 106816130640.

The previous prime is 115720264333. The next prime is 115720264403. The reversal of 115720264361 is 163462027511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115720264361 - 214 = 115720247977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115720264861) 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, 651506 + ... + 809876.

It is an arithmetic number, because the mean of its divisors is an integer number (15578103408).

Almost surely, 2115720264361 is an apocalyptic number.

It is an amenable number.

115720264361 is a deficient number, since it is larger than the sum of its proper divisors (8904562903).

115720264361 is a wasteful number, since it uses less digits than its factorization.

115720264361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214591.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 115720264361 in words is "one hundred fifteen billion, seven hundred twenty million, two hundred sixty-four thousand, three hundred sixty-one".

Divisors: 1 13 56207 158371 730691 2058823 8901558797 115720264361