Base | Representation |
---|---|
bin | 10110100110000001… |
… | …10010000101100001 |
3 | 1011022100222120100001 |
4 | 23103000302011201 |
5 | 144320303213241 |
6 | 5323354500001 |
7 | 606411265156 |
oct | 132300620541 |
9 | 34270876301 |
10 | 12130132321 |
11 | 5165163a4a |
12 | 2426434601 |
13 | 11b40c85b8 |
14 | 83101422d |
15 | 4aedc8431 |
hex | 2d3032161 |
12130132321 has 8 divisors (see below), whose sum is σ = 12611513600. Its totient is φ = 11654381520.
The previous prime is 12130132309. The next prime is 12130132337. The reversal of 12130132321 is 12323103121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12130132321 - 29 = 12130131809 is a prime.
It is a super-2 number, since 2×121301323212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12130132921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403226 + ... + 1411843.
It is an arithmetic number, because the mean of its divisors is an integer number (1576439200).
Almost surely, 212130132321 is an apocalyptic number.
It is an amenable number.
12130132321 is a deficient number, since it is larger than the sum of its proper divisors (481381279).
12130132321 is a wasteful number, since it uses less digits than its factorization.
12130132321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2815239.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12130132321 its reverse (12323103121), we get a palindrome (24453235442).
The spelling of 12130132321 in words is "twelve billion, one hundred thirty million, one hundred thirty-two thousand, three hundred twenty-one".
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