Base | Representation |
---|---|
bin | 10111011111001110… |
… | …11110110111001000 |
3 | 1012112211000100212101 |
4 | 23233213132313020 |
5 | 201311132223430 |
6 | 5443140523144 |
7 | 624326364541 |
oct | 135747366710 |
9 | 35484010771 |
10 | 12610039240 |
11 | 5391047137 |
12 | 253b0b04b4 |
13 | 125c666aa6 |
14 | 878a594c8 |
15 | 4dc0c2dca |
hex | 2ef9dedc8 |
12610039240 has 16 divisors (see below), whose sum is σ = 28372588380. Its totient is φ = 5044015680.
The previous prime is 12610039237. The next prime is 12610039241. The reversal of 12610039240 is 4293001621.
It can be written as a sum of positive squares in 2 ways, for example, as 12605451076 + 4588164 = 112274^2 + 2142^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12610039199 and 12610039208.
It is not an unprimeable number, because it can be changed into a prime (12610039241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157625451 + ... + 157625530.
Almost surely, 212610039240 is an apocalyptic number.
12610039240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12610039240 is an abundant number, since it is smaller than the sum of its proper divisors (15762549140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12610039240 is a wasteful number, since it uses less digits than its factorization.
12610039240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315250992 (or 315250988 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The spelling of 12610039240 in words is "twelve billion, six hundred ten million, thirty-nine thousand, two hundred forty".
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