Base | Representation |
---|---|
bin | 1010100011010011001100… |
… | …11001001110101111101100 |
3 | 10001011012100002222002002020 |
4 | 11101221212121032233230 |
5 | 11020130003043114040 |
6 | 121203212112430140 |
7 | 4613241136132050 |
oct | 521514631165754 |
9 | 101135302862066 |
10 | 23203131223020 |
11 | 7436435742131 |
12 | 2728b09848350 |
13 | cc4079a70698 |
14 | 5a3075039c60 |
15 | 2a38778b3cd0 |
hex | 151a6664ebec |
23203131223020 has 96 divisors (see below), whose sum is σ = 74503433346048. Its totient is φ = 5285471891712.
The previous prime is 23203131223001. The next prime is 23203131223043. The reversal of 23203131223020 is 2032213130232.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94152624 + ... + 94398743.
It is an arithmetic number, because the mean of its divisors is an integer number (776077430688).
Almost surely, 223203131223020 is an apocalyptic number.
23203131223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23203131223020 is an abundant number, since it is smaller than the sum of its proper divisors (51300302123028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23203131223020 is a wasteful number, since it uses less digits than its factorization.
23203131223020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188551679 (or 188551677 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 23203131223020 its reverse (2032213130232), we get a palindrome (25235344353252).
The spelling of 23203131223020 in words is "twenty-three trillion, two hundred three billion, one hundred thirty-one million, two hundred twenty-three thousand, twenty".
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