Base | Representation |
---|---|
bin | 10101100010101010… |
… | …011100101100001011 |
3 | 2012200222102102001100 |
4 | 111202222130230023 |
5 | 334332303144321 |
6 | 14343102552443 |
7 | 1446120604605 |
oct | 254252345413 |
9 | 65628372040 |
10 | 23130131211 |
11 | 989a3a0a20 |
12 | 4596298723 |
13 | 2248022595 |
14 | 1195cc4175 |
15 | 905967326 |
hex | 562a9cb0b |
23130131211 has 24 divisors (see below), whose sum is σ = 36475783344. Its totient is φ = 14007375360.
The previous prime is 23130131179. The next prime is 23130131267. The reversal of 23130131211 is 11213103132.
It is not a de Polignac number, because 23130131211 - 25 = 23130131179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23130132211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38335 + ... + 218471.
It is an arithmetic number, because the mean of its divisors is an integer number (1519824306).
Almost surely, 223130131211 is an apocalyptic number.
23130131211 is a deficient number, since it is larger than the sum of its proper divisors (13345652133).
23130131211 is a wasteful number, since it uses less digits than its factorization.
23130131211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181451 (or 181448 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 23130131211 its reverse (11213103132), we get a palindrome (34343234343).
The spelling of 23130131211 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-one thousand, two hundred eleven".
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