Base | Representation |
---|---|
bin | 10111001110101000… |
… | …00011010111111010 |
3 | 1012012002212122000201 |
4 | 23213110003113322 |
5 | 201020001300221 |
6 | 5421242552414 |
7 | 621015304060 |
oct | 134724032772 |
9 | 35162778021 |
10 | 12470728186 |
11 | 531a445734 |
12 | 250050870a |
13 | 123983b207 |
14 | 864354030 |
15 | 4cec55891 |
hex | 2e75035fa |
12470728186 has 8 divisors (see below), whose sum is σ = 21378391200. Its totient is φ = 5344597788.
The previous prime is 12470728139. The next prime is 12470728211. The reversal of 12470728186 is 68182707421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×124707281862 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 445383136 + ... + 445383163.
It is an arithmetic number, because the mean of its divisors is an integer number (2672298900).
Almost surely, 212470728186 is an apocalyptic number.
12470728186 is a deficient number, since it is larger than the sum of its proper divisors (8907663014).
12470728186 is an equidigital number, since it uses as much as digits as its factorization.
12470728186 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 890766308.
The product of its (nonzero) digits is 301056, while the sum is 46.
The spelling of 12470728186 in words is "twelve billion, four hundred seventy million, seven hundred twenty-eight thousand, one hundred eighty-six".
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