Base | Representation |
---|---|
bin | 10000110100110000… |
… | …011100000011110000 |
3 | 1201121222110011220220 |
4 | 100310300130003300 |
5 | 243444113413011 |
6 | 12144323133040 |
7 | 1206444546516 |
oct | 206460340360 |
9 | 51558404826 |
10 | 18064982256 |
11 | 7730236602 |
12 | 3601b14180 |
13 | 191b833219 |
14 | c353044b6 |
15 | 70ae42506 |
hex | 434c1c0f0 |
18064982256 has 40 divisors (see below), whose sum is σ = 46954197120. Its totient is φ = 5984715456.
The previous prime is 18064982251. The next prime is 18064982261. The reversal of 18064982256 is 65228946081.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (18064982251) and next prime (18064982261).
It is a junction number, because it is equal to n+sod(n) for n = 18064982199 and 18064982208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18064982251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146636 + ... + 1162283.
It is an arithmetic number, because the mean of its divisors is an integer number (1173854928).
Almost surely, 218064982256 is an apocalyptic number.
18064982256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
18064982256 is an abundant number, since it is smaller than the sum of its proper divisors (28889214864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18064982256 is a wasteful number, since it uses less digits than its factorization.
18064982256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2309093 (or 2309087 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 51.
The spelling of 18064982256 in words is "eighteen billion, sixty-four million, nine hundred eighty-two thousand, two hundred fifty-six".
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