Base | Representation |
---|---|
bin | 10111000110110110… |
… | …00000011001010010 |
3 | 1012000120000202101122 |
4 | 23203123000121102 |
5 | 200401243122010 |
6 | 5410551402242 |
7 | 616263342524 |
oct | 134333003122 |
9 | 35016022348 |
10 | 12405442130 |
11 | 5296604314 |
12 | 24a2683382 |
13 | 1229160203 |
14 | 8597dba14 |
15 | 4c915b855 |
hex | 2e36c0652 |
12405442130 has 32 divisors (see below), whose sum is σ = 23680066176. Its totient is φ = 4663024384.
The previous prime is 12405442123. The next prime is 12405442163. The reversal of 12405442130 is 3124450421.
It is a self number, because there is not a number n which added to its sum of digits gives 12405442130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53597 + ... + 166383.
It is an arithmetic number, because the mean of its divisors is an integer number (740002068).
Almost surely, 212405442130 is an apocalyptic number.
12405442130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12405442130 is a deficient number, since it is larger than the sum of its proper divisors (11274624046).
12405442130 is a wasteful number, since it uses less digits than its factorization.
12405442130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113458.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 12405442130 its reverse (3124450421), we get a palindrome (15529892551).
The spelling of 12405442130 in words is "twelve billion, four hundred five million, four hundred forty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •