Base | Representation |
---|---|
bin | 1101011001010011100… |
… | …0100001110100000100 |
3 | 211000000020021211101201 |
4 | 3112110320201310010 |
5 | 12232302031110340 |
6 | 253415404232244 |
7 | 22424602121101 |
oct | 3262470416404 |
9 | 730006254351 |
10 | 230131113220 |
11 | 89664017568 |
12 | 3872653b684 |
13 | 189168cc658 |
14 | b1d1ad9aa8 |
15 | 5ebd84b79a |
hex | 3594e21d04 |
230131113220 has 24 divisors (see below), whose sum is σ = 483306364800. Its totient is φ = 92046535392.
The previous prime is 230131113209. The next prime is 230131113263. The reversal of 230131113220 is 22311131032.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43030 + ... + 679789.
It is an arithmetic number, because the mean of its divisors is an integer number (20137765200).
Almost surely, 2230131113220 is an apocalyptic number.
230131113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230131113220 is an abundant number, since it is smaller than the sum of its proper divisors (253175251580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230131113220 is a wasteful number, since it uses less digits than its factorization.
230131113220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738747 (or 738745 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 230131113220 its reverse (22311131032), we get a palindrome (252442244252).
The spelling of 230131113220 in words is "two hundred thirty billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred twenty".
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