Base | Representation |
---|---|
bin | 11011111110101011… |
… | …000101101101100001 |
3 | 2212112201021202011222 |
4 | 123332223011231201 |
5 | 443011340342400 |
6 | 21445031144425 |
7 | 2112324066125 |
oct | 337653055541 |
9 | 85481252158 |
10 | 30042512225 |
11 | 11817240100 |
12 | 59a5215115 |
13 | 2aaa12b26b |
14 | 164dd53585 |
15 | bac725185 |
hex | 6feac5b61 |
30042512225 has 72 divisors (see below), whose sum is σ = 42502654656. Its totient is φ = 21033936000.
The previous prime is 30042512219. The next prime is 30042512231. The reversal of 30042512225 is 52221524003.
It is an interprime number because it is at equal distance from previous prime (30042512219) and next prime (30042512231).
It is not a de Polignac number, because 30042512225 - 26 = 30042512161 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30042512194 and 30042512203.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9233699 + ... + 9236951.
It is an arithmetic number, because the mean of its divisors is an integer number (590314648).
Almost surely, 230042512225 is an apocalyptic number.
It is an amenable number.
30042512225 is a deficient number, since it is larger than the sum of its proper divisors (12460142431).
30042512225 is a wasteful number, since it uses less digits than its factorization.
30042512225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3399 (or 3383 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The spelling of 30042512225 in words is "thirty billion, forty-two million, five hundred twelve thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •