Base | Representation |
---|---|
bin | 10101100110110101… |
… | …011100100011111011 |
3 | 2012212212010100220200 |
4 | 111212311130203323 |
5 | 340003212420011 |
6 | 14354043053243 |
7 | 1450630535643 |
oct | 254665344373 |
9 | 65785110820 |
10 | 23200123131 |
11 | 9925956989 |
12 | 45b5811223 |
13 | 225968a513 |
14 | 11a1303523 |
15 | 90bb90856 |
hex | 566d5c8fb |
23200123131 has 12 divisors (see below), whose sum is σ = 33711957552. Its totient is φ = 15374132496.
The previous prime is 23200123123. The next prime is 23200123151. The reversal of 23200123131 is 13132100232.
It is not a de Polignac number, because 23200123131 - 23 = 23200123123 is a prime.
It is a super-2 number, since 2×232001231312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23200123151) 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, 7716436 + ... + 7719441.
It is an arithmetic number, because the mean of its divisors is an integer number (2809329796).
Almost surely, 223200123131 is an apocalyptic number.
23200123131 is a deficient number, since it is larger than the sum of its proper divisors (10511834421).
23200123131 is a wasteful number, since it uses less digits than its factorization.
23200123131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15436050 (or 15436047 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23200123131 its reverse (13132100232), we get a palindrome (36332223363).
The spelling of 23200123131 in words is "twenty-three billion, two hundred million, one hundred twenty-three thousand, one hundred thirty-one".
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