Base | Representation |
---|---|
bin | 1011010001010110101101… |
… | …0011011100110111100010 |
3 | 1121212201221012122201002102 |
4 | 2310111223103130313202 |
5 | 3111020403403110200 |
6 | 42205055344050402 |
7 | 2416230443451032 |
oct | 264255323346742 |
9 | 47781835581072 |
10 | 12392780910050 |
11 | 3a48826821062 |
12 | 1481979303a02 |
13 | 6bb832515868 |
14 | 30bb570b38c2 |
15 | 167570b746d5 |
hex | b456b4dcde2 |
12392780910050 has 18 divisors (see below), whose sum is σ = 23050618792929. Its totient is φ = 4957102407000.
The previous prime is 12392780910047. The next prime is 12392780910067. The reversal of 12392780910050 is 5001908729321.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 12144925291849 + 247855618201 = 3484957^2 + 497851^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=2489255.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12392780909977 and 12392780910004.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24643625 + ... + 25141475.
Almost surely, 212392780910050 is an apocalyptic number.
12392780910050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12392780910050 is a deficient number, since it is larger than the sum of its proper divisors (10657837882879).
12392780910050 is an frugal number, since it uses more digits than its factorization.
12392780910050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 995714 (or 497858 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 47.
The spelling of 12392780910050 in words is "twelve trillion, three hundred ninety-two billion, seven hundred eighty million, nine hundred ten thousand, fifty".
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