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113321130220 = 22529911214469
BaseRepresentation
bin110100110001001110…
…1110011100011101100
3101211111112200212120001
41221202131303203230
53324040202131340
6124020425034044
711121126466564
oct1514235634354
9354445625501
10113321130220
1144071907431
1219b67025924
13a8bc599c0c
1456b02ddda4
152e3397129a
hex1a627738ec

113321130220 has 48 divisors (see below), whose sum is σ = 246451766400. Its totient is φ = 43717157120.

The previous prime is 113321130187. The next prime is 113321130233. The reversal of 113321130220 is 22031123311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421146 + ... + 635614.

It is an arithmetic number, because the mean of its divisors is an integer number (5134411800).

Almost surely, 2113321130220 is an apocalyptic number.

113321130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113321130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123225883200).

113321130220 is an abundant number, since it is smaller than the sum of its proper divisors (133130636180).

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

113321130220 is a wasteful number, since it uses less digits than its factorization.

113321130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215418 (or 215416 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113321130220 its reverse (22031123311), we get a palindrome (135352253531).

The spelling of 113321130220 in words is "one hundred thirteen billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 911 1822 3644 4555 9110 18220 26419 52838 105676 132095 214469 264190 428938 528380 857876 1072345 2144690 4289380 6219601 12439202 24878404 31098005 62196010 124392020 195381259 390762518 781525036 976906295 1953812590 3907625180 5666056511 11332113022 22664226044 28330282555 56660565110 113321130220