Base | Representation |
---|---|
bin | 10110111100000101… |
… | …00000000011100001 |
3 | 1011210021002112100210 |
4 | 23132002200003201 |
5 | 200210133212004 |
6 | 5354004004333 |
7 | 614115616206 |
oct | 133602400341 |
9 | 34707075323 |
10 | 12315132129 |
11 | 524a631053 |
12 | 24783906a9 |
13 | 1213530141 |
14 | 84b80dcad |
15 | 4c126d089 |
hex | 2de0a00e1 |
12315132129 has 8 divisors (see below), whose sum is σ = 17386068960. Its totient is φ = 7727141696.
The previous prime is 12315132091. The next prime is 12315132139. The reversal of 12315132129 is 92123151321.
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 12315132129 - 29 = 12315131617 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12315132096 and 12315132105.
It is not an unprimeable number, because it can be changed into a prime (12315132139) 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, 120736539 + ... + 120736640.
It is an arithmetic number, because the mean of its divisors is an integer number (2173258620).
Almost surely, 212315132129 is an apocalyptic number.
It is an amenable number.
12315132129 is a deficient number, since it is larger than the sum of its proper divisors (5070936831).
12315132129 is a wasteful number, since it uses less digits than its factorization.
12315132129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241473199.
The product of its digits is 3240, while the sum is 30.
The spelling of 12315132129 in words is "twelve billion, three hundred fifteen million, one hundred thirty-two thousand, one hundred twenty-nine".
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