Base | Representation |
---|---|
bin | 10111010010100001… |
… | …01110101000101000 |
3 | 1012021101101002202012 |
4 | 23221100232220220 |
5 | 201101333124430 |
6 | 5424411255052 |
7 | 621563145665 |
oct | 135120565050 |
9 | 35241332665 |
10 | 12503411240 |
11 | 5336938a21 |
12 | 250b44a488 |
13 | 12435424b8 |
14 | 868820a6c |
15 | 4d2a5e695 |
hex | 2e942ea28 |
12503411240 has 32 divisors (see below), whose sum is σ = 28152247680. Its totient is φ = 4997884992.
The previous prime is 12503411231. The next prime is 12503411267. The reversal of 12503411240 is 4211430521.
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, 50132 + ... + 165891.
It is an arithmetic number, because the mean of its divisors is an integer number (879757740).
Almost surely, 212503411240 is an apocalyptic number.
12503411240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12503411240 is an abundant number, since it is smaller than the sum of its proper divisors (15648836440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12503411240 is a wasteful number, since it uses less digits than its factorization.
12503411240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217481 (or 217477 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 12503411240 its reverse (4211430521), we get a palindrome (16714841761).
The spelling of 12503411240 in words is "twelve billion, five hundred three million, four hundred eleven thousand, two hundred forty".
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