Base | Representation |
---|---|
bin | 10101101101101100… |
… | …100011000100100101 |
3 | 2020011212201110020120 |
4 | 111231230203010211 |
5 | 340222144343023 |
6 | 14413314152153 |
7 | 1453526123304 |
oct | 255554430445 |
9 | 66155643216 |
10 | 23315231013 |
11 | 9984927168 |
12 | 4628282659 |
13 | 22774907a9 |
14 | 11b270843b |
15 | 916d2b8e3 |
hex | 56db23125 |
23315231013 has 16 divisors (see below), whose sum is σ = 31642954560. Its totient is φ = 15265982336.
The previous prime is 23315231003. The next prime is 23315231029. The reversal of 23315231013 is 31013251332.
It is a cyclic number.
It is not a de Polignac number, because 23315231013 - 216 = 23315165477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23315231003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134131 + ... + 254207.
It is an arithmetic number, because the mean of its divisors is an integer number (1977684660).
Almost surely, 223315231013 is an apocalyptic number.
It is an amenable number.
23315231013 is a deficient number, since it is larger than the sum of its proper divisors (8327723547).
23315231013 is a wasteful number, since it uses less digits than its factorization.
23315231013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121236.
The product of its (nonzero) digits is 1620, while the sum is 24.
Adding to 23315231013 its reverse (31013251332), we get a palindrome (54328482345).
The spelling of 23315231013 in words is "twenty-three billion, three hundred fifteen million, two hundred thirty-one thousand, thirteen".
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