Base | Representation |
---|---|
bin | 10101100001011110… |
… | …111101100111011011 |
3 | 2012122121012001220111 |
4 | 111201132331213123 |
5 | 334312221440011 |
6 | 14341114505151 |
7 | 1445460450451 |
oct | 254136754733 |
9 | 65577161814 |
10 | 23110343131 |
11 | 988a205937 |
12 | 458b7351b7 |
13 | 2243bb4765 |
14 | 11934129d1 |
15 | 903d59121 |
hex | 5617bd9db |
23110343131 has 12 divisors (see below), whose sum is σ = 24699468000. Its totient is φ = 21616843248.
The previous prime is 23110343111. The next prime is 23110343159. The reversal of 23110343131 is 13134301132.
It is not a de Polignac number, because 23110343131 - 225 = 23076788699 is a prime.
It is a super-2 number, since 2×231103431312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23110343111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376656 + ... + 433693.
It is an arithmetic number, because the mean of its divisors is an integer number (2058289000).
Almost surely, 223110343131 is an apocalyptic number.
23110343131 is a deficient number, since it is larger than the sum of its proper divisors (1589124869).
23110343131 is an equidigital number, since it uses as much as digits as its factorization.
23110343131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810466 (or 810447 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 23110343131 its reverse (13134301132), we get a palindrome (36244644263).
The spelling of 23110343131 in words is "twenty-three billion, one hundred ten million, three hundred forty-three thousand, one hundred thirty-one".
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