Base | Representation |
---|---|
bin | 10100111000111111… |
… | …111110001001110110 |
3 | 2010220021010110222010 |
4 | 110320333332021312 |
5 | 331414332131410 |
6 | 14145452545050 |
7 | 1422602314065 |
oct | 247077761166 |
9 | 63807113863 |
10 | 22431130230 |
11 | 9570874163 |
12 | 4420182186 |
13 | 2166272b32 |
14 | 112b12a1dc |
15 | 8b43e0c20 |
hex | 538ffe276 |
22431130230 has 32 divisors (see below), whose sum is σ = 54980135424. Its totient is φ = 5854365536.
The previous prime is 22431130193. The next prime is 22431130247. The reversal of 22431130230 is 3203113422.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22431130197 and 22431130206.
It is a congruent number.
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, 7952892 + ... + 7955711.
It is an arithmetic number, because the mean of its divisors is an integer number (1718129232).
Almost surely, 222431130230 is an apocalyptic number.
22431130230 is an abundant number, since it is smaller than the sum of its proper divisors (32549005194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22431130230 is a wasteful number, since it uses less digits than its factorization.
22431130230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15908660.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 22431130230 its reverse (3203113422), we get a palindrome (25634243652).
It can be divided in two parts, 224311 and 30230, that added together give a triangular number (254541 = T713).
The spelling of 22431130230 in words is "twenty-two billion, four hundred thirty-one million, one hundred thirty thousand, two hundred thirty".
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