Base | Representation |
---|---|
bin | 10101100010101011… |
… | …001101111111001011 |
3 | 2012200222210200000212 |
4 | 111202223031333023 |
5 | 334332331130011 |
6 | 14343111151335 |
7 | 1446122405363 |
oct | 254253157713 |
9 | 65628720025 |
10 | 23130333131 |
11 | 989a5196a4 |
12 | 459637554b |
13 | 2248093469 |
14 | 1195d379a3 |
15 | 9059a708b |
hex | 562acdfcb |
23130333131 has 4 divisors (see below), whose sum is σ = 23131122792. Its totient is φ = 23129543472.
The previous prime is 23130333113. The next prime is 23130333139. The reversal of 23130333131 is 13133303132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23130333131 is a prime.
It is a super-2 number, since 2×231303331312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23130333097 and 23130333106.
It is not an unprimeable number, because it can be changed into a prime (23130333139) 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, 349130 + ... + 410063.
It is an arithmetic number, because the mean of its divisors is an integer number (5782780698).
Almost surely, 223130333131 is an apocalyptic number.
23130333131 is a deficient number, since it is larger than the sum of its proper divisors (789661).
23130333131 is an equidigital number, since it uses as much as digits as its factorization.
23130333131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 789660.
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 23130333131 its reverse (13133303132), we get a palindrome (36263636263).
The spelling of 23130333131 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-three thousand, one hundred thirty-one".
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