Base | Representation |
---|---|
bin | 10000110100101101… |
… | …100011010100001111 |
3 | 1201121221000201220210 |
4 | 100310231203110033 |
5 | 243443420204201 |
6 | 12144255013503 |
7 | 1206435245421 |
oct | 206455432417 |
9 | 51557021823 |
10 | 18064225551 |
11 | 772a86a029 |
12 | 360180a293 |
13 | 191b629978 |
14 | c35188811 |
15 | 70ad431d6 |
hex | 434b6350f |
18064225551 has 16 divisors (see below), whose sum is σ = 25515151200. Its totient is φ = 11328764928.
The previous prime is 18064225511. The next prime is 18064225559. The reversal of 18064225551 is 15552246081.
It is not a de Polignac number, because 18064225551 - 214 = 18064209167 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18064225559) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16195 + ... + 190763.
It is an arithmetic number, because the mean of its divisors is an integer number (1594696950).
Almost surely, 218064225551 is an apocalyptic number.
18064225551 is a deficient number, since it is larger than the sum of its proper divisors (7450925649).
18064225551 is a wasteful number, since it uses less digits than its factorization.
18064225551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176618.
The product of its (nonzero) digits is 96000, while the sum is 39.
The spelling of 18064225551 in words is "eighteen billion, sixty-four million, two hundred twenty-five thousand, five hundred fifty-one".
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