Base | Representation |
---|---|
bin | 11011111111110001110111… |
… | …000100001100110001010001 |
3 | 121010222010100202211210000120 |
4 | 123333301313010030301101 |
5 | 112114330441212000223 |
6 | 1113513110220140453 |
7 | 34635600105360153 |
oct | 3377616704146121 |
9 | 533863322753016 |
10 | 123130120031313 |
11 | 3626221084234a |
12 | 11987538097729 |
13 | 5392174969635 |
14 | 225975b358ad3 |
15 | e37d6c51cbe3 |
hex | 6ffc7710cc51 |
123130120031313 has 32 divisors (see below), whose sum is σ = 173047111680000. Its totient is φ = 77661609509952.
The previous prime is 123130120031311. The next prime is 123130120031323. The reversal of 123130120031313 is 313130021031321.
It is not a de Polignac number, because 123130120031313 - 21 = 123130120031311 is a prime.
It is a super-2 number, since 2×1231301200313132 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123130120031311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340938928 + ... + 341299886.
It is an arithmetic number, because the mean of its divisors is an integer number (5407722240000).
Almost surely, 2123130120031313 is an apocalyptic number.
It is an amenable number.
123130120031313 is a deficient number, since it is larger than the sum of its proper divisors (49916991648687).
123130120031313 is a wasteful number, since it uses less digits than its factorization.
123130120031313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369029.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 123130120031313 its reverse (313130021031321), we get a palindrome (436260141062634).
The spelling of 123130120031313 in words is "one hundred twenty-three trillion, one hundred thirty billion, one hundred twenty million, thirty-one thousand, three hundred thirteen".
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