Base | Representation |
---|---|
bin | 11011111111010101… |
… | …000011001110110000 |
3 | 2212120110222121012012 |
4 | 123333111003032300 |
5 | 443022144341422 |
6 | 21450103022052 |
7 | 2112516431561 |
oct | 337725031660 |
9 | 85513877165 |
10 | 30053512112 |
11 | 11822473518 |
12 | 59a8a3a928 |
13 | 2aac4acc80 |
14 | 16515b8168 |
15 | bad6994e2 |
hex | 6ff5433b0 |
30053512112 has 20 divisors (see below), whose sum is σ = 62707809360. Its totient is φ = 13870851648.
The previous prime is 30053512039. The next prime is 30053512127. The reversal of 30053512112 is 21121535003.
It is a happy number.
It is a super-2 number, since 2×300535121122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72243812 + ... + 72244227.
It is an arithmetic number, because the mean of its divisors is an integer number (3135390468).
Almost surely, 230053512112 is an apocalyptic number.
It is an amenable number.
30053512112 is an abundant number, since it is smaller than the sum of its proper divisors (32654297248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30053512112 is a wasteful number, since it uses less digits than its factorization.
30053512112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144488060 (or 144488054 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 23.
The spelling of 30053512112 in words is "thirty billion, fifty-three million, five hundred twelve thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •