Base | Representation |
---|---|
bin | 11100000010010000… |
… | …111001100110100011 |
3 | 2212200220122102202112 |
4 | 130002100321212203 |
5 | 443122301140442 |
6 | 21455022305535 |
7 | 2113655126201 |
oct | 340220714643 |
9 | 85626572675 |
10 | 30102755747 |
11 | 11848247a39 |
12 | 5a014282ab |
13 | 2ab976200c |
14 | 1657d56071 |
15 | bb2b75082 |
hex | 7024399a3 |
30102755747 has 8 divisors (see below), whose sum is σ = 31157132160. Its totient is φ = 29053586880.
The previous prime is 30102755737. The next prime is 30102755783. The reversal of 30102755747 is 74755720103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30102755747 - 210 = 30102754723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30102755737) 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, 1290122 + ... + 1313247.
It is an arithmetic number, because the mean of its divisors is an integer number (3894641520).
Almost surely, 230102755747 is an apocalyptic number.
30102755747 is a deficient number, since it is larger than the sum of its proper divisors (1054376413).
30102755747 is a wasteful number, since it uses less digits than its factorization.
30102755747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2603773.
The product of its (nonzero) digits is 205800, while the sum is 41.
The spelling of 30102755747 in words is "thirty billion, one hundred two million, seven hundred fifty-five thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •