Base | Representation |
---|---|
bin | 11100001100100010… |
… | …000011101010011101 |
3 | 2220010220210122112011 |
4 | 130030202003222131 |
5 | 444000401304230 |
6 | 21524054511221 |
7 | 2121146320441 |
oct | 341442035235 |
9 | 86126718464 |
10 | 30275025565 |
11 | 1192650a894 |
12 | 5a4b065511 |
13 | 2b1635a515 |
14 | 1672b9a821 |
15 | bc2d52e2a |
hex | 70c883a9d |
30275025565 has 8 divisors (see below), whose sum is σ = 36336033720. Its totient is φ = 24216018432.
The previous prime is 30275025553. The next prime is 30275025623. The reversal of 30275025565 is 56552057203.
It can be written as a sum of positive squares in 4 ways, for example, as 7468589241 + 22806436324 = 86421^2 + 151018^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30275025565 - 223 = 30266636957 is a prime.
It is a super-2 number, since 2×302750255652 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466764 + ... + 527653.
It is an arithmetic number, because the mean of its divisors is an integer number (4542004215).
Almost surely, 230275025565 is an apocalyptic number.
It is an amenable number.
30275025565 is a deficient number, since it is larger than the sum of its proper divisors (6061008155).
30275025565 is an equidigital number, since it uses as much as digits as its factorization.
30275025565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000511.
The product of its (nonzero) digits is 315000, while the sum is 40.
The spelling of 30275025565 in words is "thirty billion, two hundred seventy-five million, twenty-five thousand, five hundred sixty-five".
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