Base | Representation |
---|---|
bin | 1011010011000001101100… |
… | …1111011110101001000010 |
3 | 1121222111001212022202011101 |
4 | 2310300123033132221002 |
5 | 3112003214112300110 |
6 | 42230205350405014 |
7 | 2421265260562450 |
oct | 264603317365102 |
9 | 47874055282141 |
10 | 12421502462530 |
11 | 3a59a25348597 |
12 | 148745406076a |
13 | 6c145ba7a925 |
14 | 30d2bd80b9d0 |
15 | 1681a241913a |
hex | b4c1b3dea42 |
12421502462530 has 32 divisors (see below), whose sum is σ = 25567088613120. Its totient is φ = 4256420253120.
The previous prime is 12421502462483. The next prime is 12421502462563. The reversal of 12421502462530 is 3526420512421.
12421502462530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12421502462530.
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, 49469526 + ... + 49719985.
It is an arithmetic number, because the mean of its divisors is an integer number (798971519160).
Almost surely, 212421502462530 is an apocalyptic number.
12421502462530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12421502462530 is an abundant number, since it is smaller than the sum of its proper divisors (13145586150590).
12421502462530 is a wasteful number, since it uses less digits than its factorization.
12421502462530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99191314.
The product of its (nonzero) digits is 115200, while the sum is 37.
Adding to 12421502462530 its reverse (3526420512421), we get a palindrome (15947922974951).
The spelling of 12421502462530 in words is "twelve trillion, four hundred twenty-one billion, five hundred two million, four hundred sixty-two thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.727 sec. • engine limits •