Base | Representation |
---|---|
bin | 10111010101101111… |
… | …11010100101110010 |
3 | 1012100021021101002201 |
4 | 23222313322211302 |
5 | 201130244223132 |
6 | 5431215133414 |
7 | 622342106251 |
oct | 135267724562 |
9 | 35307241081 |
10 | 12530461042 |
11 | 5350133930 |
12 | 251851426a |
13 | 12490236b8 |
14 | 86c262798 |
15 | 4d51042e7 |
hex | 2eadfa972 |
12530461042 has 16 divisors (see below), whose sum is σ = 21395886912. Its totient is φ = 5448026320.
The previous prime is 12530461039. The next prime is 12530461061. The reversal of 12530461042 is 24016403521.
It is a self number, because there is not a number n which added to its sum of digits gives 12530461042.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12381373 + ... + 12382384.
It is an arithmetic number, because the mean of its divisors is an integer number (1337242932).
Almost surely, 212530461042 is an apocalyptic number.
12530461042 is a deficient number, since it is larger than the sum of its proper divisors (8865425870).
12530461042 is a wasteful number, since it uses less digits than its factorization.
12530461042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24763793.
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 12530461042 its reverse (24016403521), we get a palindrome (36546864563).
The spelling of 12530461042 in words is "twelve billion, five hundred thirty million, four hundred sixty-one thousand, forty-two".
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