Base | Representation |
---|---|
bin | 10101100000111111… |
… | …111110011101100011 |
3 | 2012122000220101020122 |
4 | 111200333332131203 |
5 | 334303132021011 |
6 | 14340224430455 |
7 | 1445331426314 |
oct | 254077763543 |
9 | 65560811218 |
10 | 23102220131 |
11 | 9885667a11 |
12 | 4588a7842b |
13 | 22422cc353 |
14 | 11922da60b |
15 | 9032a23db |
hex | 560ffe763 |
23102220131 has 8 divisors (see below), whose sum is σ = 23191506624. Its totient is φ = 23013080640.
The previous prime is 23102219999. The next prime is 23102220161. The reversal of 23102220131 is 13102220132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23102220131 is a prime.
It is a super-2 number, since 2×231022201312 (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 (23102220161) 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, 283526 + ... + 355796.
It is an arithmetic number, because the mean of its divisors is an integer number (2898938328).
Almost surely, 223102220131 is an apocalyptic number.
23102220131 is a deficient number, since it is larger than the sum of its proper divisors (89286493).
23102220131 is an equidigital number, since it uses as much as digits as its factorization.
23102220131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73501.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 23102220131 its reverse (13102220132), we get a palindrome (36204440263).
Subtracting from 23102220131 its reverse (13102220132), we obtain a palindrome (9999999999).
The spelling of 23102220131 in words is "twenty-three billion, one hundred two million, two hundred twenty thousand, one hundred thirty-one".
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