Base | Representation |
---|---|
bin | 11000010000000100… |
… | …11101000101010001 |
3 | 1020121100222111020101 |
4 | 30020002131011101 |
5 | 203131024404100 |
6 | 5551534412401 |
7 | 640433105533 |
oct | 141002350521 |
9 | 36540874211 |
10 | 13019763025 |
11 | 5581353735 |
12 | 2634361101 |
13 | 12c65012b9 |
14 | 8b7231853 |
15 | 51305786a |
hex | 30809d151 |
13019763025 has 6 divisors (see below), whose sum is σ = 16144506182. Its totient is φ = 10415810400.
The previous prime is 13019763023. The next prime is 13019763049. The reversal of 13019763025 is 52036791031.
It can be written as a sum of positive squares in 3 ways, for example, as 202806081 + 12816956944 = 14241^2 + 113212^2 .
It is not a de Polignac number, because 13019763025 - 21 = 13019763023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13019763023) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260395236 + ... + 260395285.
Almost surely, 213019763025 is an apocalyptic number.
It is an amenable number.
13019763025 is a deficient number, since it is larger than the sum of its proper divisors (3124743157).
13019763025 is an equidigital number, since it uses as much as digits as its factorization.
13019763025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520790531 (or 520790526 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 37.
The spelling of 13019763025 in words is "thirteen billion, nineteen million, seven hundred sixty-three thousand, twenty-five".
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