Base | Representation |
---|---|
bin | 11011111101111010… |
… | …010101000111100111 |
3 | 2212111211020100122120 |
4 | 123331322111013213 |
5 | 443000102332104 |
6 | 21443453201023 |
7 | 2112110332023 |
oct | 337572250747 |
9 | 85454210576 |
10 | 30029730279 |
11 | 1180aaaa90a |
12 | 59a0a90173 |
13 | 2aa75a4393 |
14 | 164c387383 |
15 | bab54ccd9 |
hex | 6fde951e7 |
30029730279 has 8 divisors (see below), whose sum is σ = 40040791152. Its totient is φ = 20019244800.
The previous prime is 30029730251. The next prime is 30029730293. The reversal of 30029730279 is 97203792003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30029730279 - 221 = 30027633127 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30029730279.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30029730179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 245079.
It is an arithmetic number, because the mean of its divisors is an integer number (5005098894).
Almost surely, 230029730279 is an apocalyptic number.
30029730279 is a deficient number, since it is larger than the sum of its proper divisors (10011060873).
30029730279 is a wasteful number, since it uses less digits than its factorization.
30029730279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287697.
The product of its (nonzero) digits is 142884, while the sum is 42.
The spelling of 30029730279 in words is "thirty billion, twenty-nine million, seven hundred thirty thousand, two hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •