Base | Representation |
---|---|
bin | 11100101001100001… |
… | …101001100001000101 |
3 | 2221101211002222000101 |
4 | 130221201221201011 |
5 | 1000444413121413 |
6 | 22044232444101 |
7 | 2136204035146 |
oct | 345141514105 |
9 | 87354088011 |
10 | 30761457733 |
11 | 1205604a546 |
12 | 5b65b49631 |
13 | 2b93071ac6 |
14 | 16bb61dacd |
15 | c008daedd |
hex | 729869845 |
30761457733 has 2 divisors, whose sum is σ = 30761457734. Its totient is φ = 30761457732.
The previous prime is 30761457731. The next prime is 30761457743. The reversal of 30761457733 is 33775416703.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21861988164 + 8899469569 = 147858^2 + 94337^2 .
It is a cyclic number.
It is not a de Polignac number, because 30761457733 - 21 = 30761457731 is a prime.
Together with 30761457731, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30761457731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380728866 + 15380728867.
It is an arithmetic number, because the mean of its divisors is an integer number (15380728867).
Almost surely, 230761457733 is an apocalyptic number.
It is an amenable number.
30761457733 is a deficient number, since it is larger than the sum of its proper divisors (1).
30761457733 is an equidigital number, since it uses as much as digits as its factorization.
30761457733 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1111320, while the sum is 46.
The spelling of 30761457733 in words is "thirty billion, seven hundred sixty-one million, four hundred fifty-seven thousand, seven hundred thirty-three".
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