Base | Representation |
---|---|
bin | 10001100010011000… |
… | …010101101000101001 |
3 | 1210121022202021012120 |
4 | 101202120111220221 |
5 | 302031041311200 |
6 | 12352305101453 |
7 | 1234430620152 |
oct | 214230255051 |
9 | 53538667176 |
10 | 18830416425 |
11 | 7a93308627 |
12 | 3796327889 |
13 | 1a112a2b52 |
14 | ca8c32929 |
15 | 75323c9a0 |
hex | 462615a29 |
18830416425 has 12 divisors (see below), whose sum is σ = 31132955280. Its totient is φ = 10042888720.
The previous prime is 18830416417. The next prime is 18830416453. The reversal of 18830416425 is 52461403881.
It is a happy number.
It is not a de Polignac number, because 18830416425 - 23 = 18830416417 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125536035 + ... + 125536184.
It is an arithmetic number, because the mean of its divisors is an integer number (2594412940).
Almost surely, 218830416425 is an apocalyptic number.
18830416425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18830416425 is a deficient number, since it is larger than the sum of its proper divisors (12302538855).
18830416425 is a wasteful number, since it uses less digits than its factorization.
18830416425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251072232 (or 251072227 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 42.
The spelling of 18830416425 in words is "eighteen billion, eight hundred thirty million, four hundred sixteen thousand, four hundred twenty-five".
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