Base | Representation |
---|---|
bin | 11000000100010000… |
… | …11101100101000101 |
3 | 1020100110112021111210 |
4 | 30002020131211011 |
5 | 202430143042004 |
6 | 5534034522033 |
7 | 635120631222 |
oct | 140210354505 |
9 | 36313467453 |
10 | 12920674629 |
11 | 55304250a5 |
12 | 2607136319 |
13 | 12abb19705 |
14 | 8a7dda949 |
15 | 5094d3089 |
hex | 30221d945 |
12920674629 has 8 divisors (see below), whose sum is σ = 17394824512. Its totient is φ = 8530153920.
The previous prime is 12920674609. The next prime is 12920674631. The reversal of 12920674629 is 92647602921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12920674629 - 217 = 12920543557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12920674609) 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, 20906932 + ... + 20907549.
It is an arithmetic number, because the mean of its divisors is an integer number (2174353064).
Almost surely, 212920674629 is an apocalyptic number.
It is an amenable number.
12920674629 is a deficient number, since it is larger than the sum of its proper divisors (4474149883).
12920674629 is a wasteful number, since it uses less digits than its factorization.
12920674629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41814587.
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 12920674629 in words is "twelve billion, nine hundred twenty million, six hundred seventy-four thousand, six hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •