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115231431045 = 357682095403
BaseRepresentation
bin110101101010001010…
…1000001100110000101
3102000102200021012122110
41223110111001212011
53341443221243140
6124534145251233
711216354001003
oct1532425014605
9360380235573
10115231431045
1144962158745
121a3ba933b19
13ab35299233
145811cc9a73
152ee6516380
hex1ad4541985

115231431045 has 8 divisors (see below), whose sum is σ = 184370289696. Its totient is φ = 61456763216.

The previous prime is 115231431043. The next prime is 115231431053. The reversal of 115231431045 is 540134132511.

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 115231431045 - 21 = 115231431043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115231431043) 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, 3841047687 + ... + 3841047716.

It is an arithmetic number, because the mean of its divisors is an integer number (23046286212).

Almost surely, 2115231431045 is an apocalyptic number.

115231431045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115231431045 is a deficient number, since it is larger than the sum of its proper divisors (69138858651).

115231431045 is an equidigital number, since it uses as much as digits as its factorization.

115231431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682095411.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 115231431045 its reverse (540134132511), we get a palindrome (655365563556).

The spelling of 115231431045 in words is "one hundred fifteen billion, two hundred thirty-one million, four hundred thirty-one thousand, forty-five".

Divisors: 1 3 5 15 7682095403 23046286209 38410477015 115231431045