Base | Representation |
---|---|
bin | 10101100000111111… |
… | …111100110000000011 |
3 | 2012122000220000122002 |
4 | 111200333330300003 |
5 | 334303131304443 |
6 | 14340224334215 |
7 | 1445331400013 |
oct | 254077746003 |
9 | 65560800562 |
10 | 23102213123 |
11 | 9885662720 |
12 | 4588a7436b |
13 | 22422c90c2 |
14 | 11922d7c43 |
15 | 9032a02b8 |
hex | 560ffcc03 |
23102213123 has 4 divisors (see below), whose sum is σ = 25202414328. Its totient is φ = 21002011920.
The previous prime is 23102213063. The next prime is 23102213137. The reversal of 23102213123 is 32131220132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23102213123 - 214 = 23102196739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23102213095 and 23102213104.
It is not an unprimeable number, because it can be changed into a prime (23102213623) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050100586 + ... + 1050100607.
It is an arithmetic number, because the mean of its divisors is an integer number (6300603582).
Almost surely, 223102213123 is an apocalyptic number.
23102213123 is a deficient number, since it is larger than the sum of its proper divisors (2100201205).
23102213123 is a wasteful number, since it uses less digits than its factorization.
23102213123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2100201204.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 23102213123 its reverse (32131220132), we get a palindrome (55233433255).
The spelling of 23102213123 in words is "twenty-three billion, one hundred two million, two hundred thirteen thousand, one hundred twenty-three".
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