Base | Representation |
---|---|
bin | 11100001110000100… |
… | …000111011000011001 |
3 | 2220012201011121121210 |
4 | 130032010013120121 |
5 | 444023441342110 |
6 | 21530413453333 |
7 | 2121610651224 |
oct | 341604073031 |
9 | 86181147553 |
10 | 30300730905 |
11 | 11939a77675 |
12 | 5a577a1249 |
13 | 2b1b78a793 |
14 | 167636c5bb |
15 | bc522e520 |
hex | 70e107619 |
30300730905 has 32 divisors (see below), whose sum is σ = 49290989184. Its totient is φ = 15891296256.
The previous prime is 30300730903. The next prime is 30300730931. The reversal of 30300730905 is 50903700303.
It is not a de Polignac number, because 30300730905 - 21 = 30300730903 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30300730903) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553759 + ... + 606011.
It is an arithmetic number, because the mean of its divisors is an integer number (1540343412).
Almost surely, 230300730905 is an apocalyptic number.
It is an amenable number.
30300730905 is a deficient number, since it is larger than the sum of its proper divisors (18990258279).
30300730905 is a wasteful number, since it uses less digits than its factorization.
30300730905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52905.
The product of its (nonzero) digits is 8505, while the sum is 30.
The spelling of 30300730905 in words is "thirty billion, three hundred million, seven hundred thirty thousand, nine hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •