Base | Representation |
---|---|
bin | 11100011011011101… |
… | …100011011100011010 |
3 | 2220210101010020022202 |
4 | 130123131203130122 |
5 | 1000004012101013 |
6 | 22005003250202 |
7 | 2130310332215 |
oct | 343335433432 |
9 | 86711106282 |
10 | 30525503258 |
11 | 11a4493a448 |
12 | 5abab19962 |
13 | 2b56209483 |
14 | 169815c77c |
15 | bd9d2d858 |
hex | 71b76371a |
30525503258 has 8 divisors (see below), whose sum is σ = 45789002580. Its totient is φ = 15262502400.
The previous prime is 30525503251. The next prime is 30525503273. The reversal of 30525503258 is 85230552503.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 28758393889 + 1767109369 = 169583^2 + 42037^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×305255032582 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30525503251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146138 + ... + 287066.
Almost surely, 230525503258 is an apocalyptic number.
30525503258 is a deficient number, since it is larger than the sum of its proper divisors (15263499322).
30525503258 is a wasteful number, since it uses less digits than its factorization.
30525503258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249232.
The product of its (nonzero) digits is 180000, while the sum is 38.
The spelling of 30525503258 in words is "thirty billion, five hundred twenty-five million, five hundred three thousand, two hundred fifty-eight".
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