Base | Representation |
---|---|
bin | 11100011010001111… |
… | …100011100010101010 |
3 | 2220201221122102112200 |
4 | 130122033203202222 |
5 | 444433243301201 |
6 | 22002553121030 |
7 | 2126641462365 |
oct | 343217434252 |
9 | 86657572480 |
10 | 30505056426 |
11 | 11a34344439 |
12 | 5ab40b9176 |
13 | 2b51bca860 |
14 | 16955590dc |
15 | bd8140386 |
hex | 71a3e38aa |
30505056426 has 24 divisors (see below), whose sum is σ = 71178465540. Its totient is φ = 9386171136.
The previous prime is 30505056409. The next prime is 30505056443. The reversal of 30505056426 is 62465050503.
It is a happy number.
30505056426 is a `hidden beast` number, since 3 + 0 + 5 + 0 + 5 + 0 + 5 + 642 + 6 = 666.
It is an interprime number because it is at equal distance from previous prime (30505056409) and next prime (30505056443).
It can be written as a sum of positive squares in 2 ways, for example, as 21183347025 + 9321709401 = 145545^2 + 96549^2 .
It is a super-3 number, since 3×305050564263 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65181511 + ... + 65181978.
Almost surely, 230505056426 is an apocalyptic number.
30505056426 is an abundant number, since it is smaller than the sum of its proper divisors (40673409114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30505056426 is a wasteful number, since it uses less digits than its factorization.
30505056426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130363510 (or 130363507 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 36.
The spelling of 30505056426 in words is "thirty billion, five hundred five million, fifty-six thousand, four hundred twenty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •