Base | Representation |
---|---|
bin | 111100100110001101… |
… | …0011010101000011011 |
3 | 110102220001110100110200 |
4 | 1321030122122220123 |
5 | 4113002014341443 |
6 | 135440435113243 |
7 | 12254524231620 |
oct | 1711432325033 |
9 | 412801410420 |
10 | 130131012123 |
11 | 50208622512 |
12 | 21278742823 |
13 | c36b085bb8 |
14 | 6426a50347 |
15 | 35b95e1dd3 |
hex | 1e4c69aa1b |
130131012123 has 48 divisors (see below), whose sum is σ = 227514792960. Its totient is φ = 69968302848.
The previous prime is 130131012083. The next prime is 130131012127. The reversal of 130131012123 is 321210131031.
It is not a de Polignac number, because 130131012123 - 29 = 130131011611 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130131012096 and 130131012105.
It is not an unprimeable number, because it can be changed into a prime (130131012127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4813518 + ... + 4840476.
It is an arithmetic number, because the mean of its divisors is an integer number (4739891520).
Almost surely, 2130131012123 is an apocalyptic number.
130131012123 is a deficient number, since it is larger than the sum of its proper divisors (97383780837).
130131012123 is a wasteful number, since it uses less digits than its factorization.
130131012123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31496 (or 31493 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 130131012123 its reverse (321210131031), we get a palindrome (451341143154).
The spelling of 130131012123 in words is "one hundred thirty billion, one hundred thirty-one million, twelve thousand, one hundred twenty-three".
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