Base | Representation |
---|---|
bin | 10101100111000001… |
… | …001100100000111011 |
3 | 2012220001220211212202 |
4 | 111213001030200323 |
5 | 340010010000011 |
6 | 14354233100415 |
7 | 1450665654353 |
oct | 254701144073 |
9 | 65801824782 |
10 | 23203203131 |
11 | 992766aa39 |
12 | 45b685770b |
13 | 225a1c83c4 |
14 | 11a18a5b63 |
15 | 90c09d23b |
hex | 56704c83b |
23203203131 has 8 divisors (see below), whose sum is σ = 23699103744. Its totient is φ = 22707394920.
The previous prime is 23203203073. The next prime is 23203203169. The reversal of 23203203131 is 13130230232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23203203131 - 210 = 23203202107 is a prime.
It is a super-2 number, since 2×232032031312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23203203181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776966 + ... + 806276.
It is an arithmetic number, because the mean of its divisors is an integer number (2962387968).
Almost surely, 223203203131 is an apocalyptic number.
23203203131 is a deficient number, since it is larger than the sum of its proper divisors (495900613).
23203203131 is a wasteful number, since it uses less digits than its factorization.
23203203131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46201.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 23203203131 its reverse (13130230232), we get a palindrome (36333433363).
The spelling of 23203203131 in words is "twenty-three billion, two hundred three million, two hundred three thousand, one hundred thirty-one".
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