Base | Representation |
---|---|
bin | 11100100110110000… |
… | …100110000111101011 |
3 | 2221021120202220210111 |
4 | 130212300212013223 |
5 | 1000401022404311 |
6 | 22035453555151 |
7 | 2135101366126 |
oct | 344660460753 |
9 | 87246686714 |
10 | 30715044331 |
11 | 12031929464 |
12 | 5b524a5ab7 |
13 | 2b8657105a |
14 | 16b53bb3bd |
15 | beb7bdd21 |
hex | 726c261eb |
30715044331 has 2 divisors, whose sum is σ = 30715044332. Its totient is φ = 30715044330.
The previous prime is 30715044319. The next prime is 30715044421. The reversal of 30715044331 is 13344051703.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30715044331 - 29 = 30715043819 is a prime.
It is a super-2 number, since 2×307150443312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30715044293 and 30715044302.
It is not a weakly prime, because it can be changed into another prime (30715044431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15357522165 + 15357522166.
It is an arithmetic number, because the mean of its divisors is an integer number (15357522166).
Almost surely, 230715044331 is an apocalyptic number.
30715044331 is a deficient number, since it is larger than the sum of its proper divisors (1).
30715044331 is an equidigital number, since it uses as much as digits as its factorization.
30715044331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 31.
The spelling of 30715044331 in words is "thirty billion, seven hundred fifteen million, forty-four thousand, three hundred thirty-one".
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