Base | Representation |
---|---|
bin | 10101101000101100… |
… | …111000000101100100 |
3 | 2012222001000222020211 |
4 | 111220230320011210 |
5 | 340034221243022 |
6 | 14401122105204 |
7 | 1451460622366 |
oct | 255054700544 |
9 | 65861028224 |
10 | 23231431012 |
11 | 994159aa69 |
12 | 46041ab204 |
13 | 2262ccc8aa |
14 | 11a5532d36 |
15 | 90e7c6e77 |
hex | 568b38164 |
23231431012 has 48 divisors (see below), whose sum is σ = 42833448000. Its totient is φ = 11008667264.
The previous prime is 23231431007. The next prime is 23231431019. The reversal of 23231431012 is 21013413232.
It is not an unprimeable number, because it can be changed into a prime (23231431019) 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, 5452539 + ... + 5456797.
It is an arithmetic number, because the mean of its divisors is an integer number (892363500).
Almost surely, 223231431012 is an apocalyptic number.
It is an amenable number.
23231431012 is a deficient number, since it is larger than the sum of its proper divisors (19602016988).
23231431012 is a wasteful number, since it uses less digits than its factorization.
23231431012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5148 (or 5146 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 23231431012 its reverse (21013413232), we get a palindrome (44244844244).
The spelling of 23231431012 in words is "twenty-three billion, two hundred thirty-one million, four hundred thirty-one thousand, twelve".
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