Base | Representation |
---|---|
bin | 11100101000001011… |
… | …011011011011001001 |
3 | 2221100020120122202021 |
4 | 130220023123123021 |
5 | 1000423121340000 |
6 | 22042104204441 |
7 | 2135510650612 |
oct | 345013333311 |
9 | 87306518667 |
10 | 30738855625 |
11 | 12044312215 |
12 | 5b5a469721 |
13 | 2b8b48a18a |
14 | 16b8618c09 |
15 | bed92411a |
hex | 7282db6c9 |
30738855625 has 15 divisors (see below), whose sum is σ = 38416751923. Its totient is φ = 24587578000.
The previous prime is 30738855613. The next prime is 30738855713. The reversal of 30738855625 is 52655883703.
It is a happy number.
The square root of 30738855625 is 175325.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 12534369849 + 18204485776 = 111957^2 + 134924^2 .
It is not a de Polignac number, because 30738855625 - 25 = 30738855593 is a prime.
It is a super-3 number, since 3×307388556253 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4379619 + ... + 4386631.
Almost surely, 230738855625 is an apocalyptic number.
30738855625 is the 175325-th square number.
30738855625 is the 87663-rd centered octagonal number.
It is an amenable number.
30738855625 is a deficient number, since it is larger than the sum of its proper divisors (7677896298).
30738855625 is an frugal number, since it uses more digits than its factorization.
30738855625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14046 (or 7018 counting only the distinct ones).
The product of its (nonzero) digits is 6048000, while the sum is 52.
The spelling of 30738855625 in words is "thirty billion, seven hundred thirty-eight million, eight hundred fifty-five thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •