Base | Representation |
---|---|
bin | 10101100000110111… |
… | …111001100111011011 |
3 | 2012121212220211021020 |
4 | 111200313321213123 |
5 | 334302111300011 |
6 | 14340111213523 |
7 | 1445304431310 |
oct | 254067714733 |
9 | 65555824236 |
10 | 23100103131 |
11 | 9884451426 |
12 | 45882172a3 |
13 | 2241a3a8a1 |
14 | 1191d08d07 |
15 | 902ed5006 |
hex | 560df99db |
23100103131 has 16 divisors (see below), whose sum is σ = 35202432768. Its totient is φ = 13199205600.
The previous prime is 23100103123. The next prime is 23100103139. The reversal of 23100103131 is 13130100132.
It is an interprime number because it is at equal distance from previous prime (23100103123) and next prime (23100103139).
It is not a de Polignac number, because 23100103131 - 23 = 23100103123 is a prime.
It is a super-2 number, since 2×231001031312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23100103131.
It is not an unprimeable number, because it can be changed into a prime (23100103139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453376 + ... + 501746.
It is an arithmetic number, because the mean of its divisors is an integer number (2200152048).
Almost surely, 223100103131 is an apocalyptic number.
23100103131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23100103131 is a deficient number, since it is larger than the sum of its proper divisors (12102329637).
23100103131 is a wasteful number, since it uses less digits than its factorization.
23100103131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71122.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 23100103131 its reverse (13130100132), we get a palindrome (36230203263).
The spelling of 23100103131 in words is "twenty-three billion, one hundred million, one hundred three thousand, one hundred thirty-one".
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