Base | Representation |
---|---|
bin | 111001010101000100… |
… | …0000000100000001110 |
3 | 102202202222102011020110 |
4 | 1302222020000200032 |
5 | 4004114001411342 |
6 | 132320225300450 |
7 | 11615601604410 |
oct | 1625210004016 |
9 | 382688364213 |
10 | 123113310222 |
11 | 48237288181 |
12 | 1ba3a494726 |
13 | b7c01c2876 |
14 | 5d5ca069b0 |
15 | 330847cc9c |
hex | 1caa20080e |
123113310222 has 32 divisors (see below), whose sum is σ = 281412288000. Its totient is φ = 35173927008.
The previous prime is 123113310209. The next prime is 123113310227. The reversal of 123113310222 is 222013311321.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123113310227) 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, 2051479 + ... + 2110637.
It is an arithmetic number, because the mean of its divisors is an integer number (8794134000).
Almost surely, 2123113310222 is an apocalyptic number.
123113310222 is an abundant number, since it is smaller than the sum of its proper divisors (158298977778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123113310222 is a wasteful number, since it uses less digits than its factorization.
123113310222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108720.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 123113310222 its reverse (222013311321), we get a palindrome (345126621543).
The spelling of 123113310222 in words is "one hundred twenty-three billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty-two".
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