Base | Representation |
---|---|
bin | 11100001100100011… |
… | …111000110001100001 |
3 | 2220010221201000112020 |
4 | 130030203320301201 |
5 | 444001012131444 |
6 | 21524113052053 |
7 | 2121153356103 |
oct | 341443706141 |
9 | 86127630466 |
10 | 30275505249 |
11 | 11926808220 |
12 | 5a4b257029 |
13 | 2b16497962 |
14 | 1672c83573 |
15 | bc2dea119 |
hex | 70c8f8c61 |
30275505249 has 8 divisors (see below), whose sum is σ = 44037098592. Its totient is φ = 18348791040.
The previous prime is 30275505187. The next prime is 30275505251. The reversal of 30275505249 is 94250557203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30275505249 - 27 = 30275505121 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30275505249.
It is not an unprimeable number, because it can be changed into a prime (30275505259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458719744 + ... + 458719809.
It is an arithmetic number, because the mean of its divisors is an integer number (5504637324).
Almost surely, 230275505249 is an apocalyptic number.
It is an amenable number.
30275505249 is a deficient number, since it is larger than the sum of its proper divisors (13761593343).
30275505249 is a wasteful number, since it uses less digits than its factorization.
30275505249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917439567.
The product of its (nonzero) digits is 378000, while the sum is 42.
The spelling of 30275505249 in words is "thirty billion, two hundred seventy-five million, five hundred five thousand, two hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •