Base | Representation |
---|---|
bin | 10010101100000110… |
… | …100000111101001001 |
3 | 1220210112002100010122 |
4 | 102230012200331021 |
5 | 312044204230220 |
6 | 13115130553025 |
7 | 1310166610622 |
oct | 225406407511 |
9 | 56715070118 |
10 | 20067258185 |
11 | 85684980a7 |
12 | 3a80598775 |
13 | 1b7a5c6490 |
14 | d851d2a49 |
15 | 7c6b04425 |
hex | 4ac1a0f49 |
20067258185 has 32 divisors (see below), whose sum is σ = 26290656000. Its totient is φ = 14615186688.
The previous prime is 20067258181. The next prime is 20067258193. The reversal of 20067258185 is 58185276002.
It is a cyclic number.
It is not a de Polignac number, because 20067258185 - 22 = 20067258181 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20067258181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3487691 + ... + 3493439.
It is an arithmetic number, because the mean of its divisors is an integer number (821583000).
Almost surely, 220067258185 is an apocalyptic number.
It is an amenable number.
20067258185 is a deficient number, since it is larger than the sum of its proper divisors (6223397815).
20067258185 is a wasteful number, since it uses less digits than its factorization.
20067258185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6497.
The product of its (nonzero) digits is 268800, while the sum is 44.
The spelling of 20067258185 in words is "twenty billion, sixty-seven million, two hundred fifty-eight thousand, one hundred eighty-five".
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