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115242541320 = 23351795365109
BaseRepresentation
bin110101101010011111…
…1011010000100001000
3102000110110011200002010
41223110333122010020
53342004042310240
6124535223335520
711216550303324
oct1532477320410
9360413150063
10115242541320
1144968456a95
121a4025b15a0
13ab3768926a
14581357c984
152ee74ad280
hex1ad4fda108

115242541320 has 64 divisors (see below), whose sum is σ = 347659128000. Its totient is φ = 30559655168.

The previous prime is 115242541291. The next prime is 115242541327. The reversal of 115242541320 is 23145242511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (115242541327) 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, 2661075 + ... + 2704034.

It is an arithmetic number, because the mean of its divisors is an integer number (5432173875).

Almost surely, 2115242541320 is an apocalyptic number.

115242541320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115242541320 is an abundant number, since it is smaller than the sum of its proper divisors (232416586680).

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

115242541320 is a wasteful number, since it uses less digits than its factorization.

115242541320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365302 (or 5365298 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 115242541320 its reverse (23145242511), we get a palindrome (138387783831).

The spelling of 115242541320 in words is "one hundred fifteen billion, two hundred forty-two million, five hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 179 358 537 716 895 1074 1432 1790 2148 2685 3580 4296 5370 7160 10740 21480 5365109 10730218 16095327 21460436 26825545 32190654 42920872 53651090 64381308 80476635 107302180 128762616 160953270 214604360 321906540 643813080 960354511 1920709022 2881063533 3841418044 4801772555 5762127066 7682836088 9603545110 11524254132 14405317665 19207090220 23048508264 28810635330 38414180440 57621270660 115242541320