Base | Representation |
---|---|
bin | 10101100000111111… |
… | …100110000001001101 |
3 | 2012122000201021220120 |
4 | 111200333212001031 |
5 | 334303120320023 |
6 | 14340222335153 |
7 | 1445330531400 |
oct | 254077460115 |
9 | 65560637816 |
10 | 23102120013 |
11 | 98855a9775 |
12 | 4588a2a4b9 |
13 | 22422958cb |
14 | 11922b1d37 |
15 | 9032828e3 |
hex | 560fe604d |
23102120013 has 24 divisors (see below), whose sum is σ = 35839848960. Its totient is φ = 13198268160.
The previous prime is 23102120011. The next prime is 23102120047. The reversal of 23102120013 is 31002120132.
It is not a de Polignac number, because 23102120013 - 21 = 23102120011 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23102119974 and 23102120001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23102120011) 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 23 ways as a sum of consecutive naturals, for example, 761428 + ... + 791186.
It is an arithmetic number, because the mean of its divisors is an integer number (1493327040).
Almost surely, 223102120013 is an apocalyptic number.
It is an amenable number.
23102120013 is a deficient number, since it is larger than the sum of its proper divisors (12737728947).
23102120013 is a wasteful number, since it uses less digits than its factorization.
23102120013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35057 (or 35050 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23102120013 its reverse (31002120132), we get a palindrome (54104240145).
The spelling of 23102120013 in words is "twenty-three billion, one hundred two million, one hundred twenty thousand, thirteen".
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