Base | Representation |
---|---|
bin | 11100110110001101… |
… | …101101011100010001 |
3 | 2221221122200020100212 |
4 | 130312031231130101 |
5 | 1001413412202422 |
6 | 22121315253505 |
7 | 2144400333623 |
oct | 346615553421 |
9 | 87848606325 |
10 | 30974334737 |
11 | 12155228155 |
12 | 60052aa295 |
13 | 2bc81b7328 |
14 | 16db9d4c13 |
15 | c1443a9e2 |
hex | 73636d711 |
30974334737 has 4 divisors (see below), whose sum is σ = 31322361060. Its totient is φ = 30626308416.
The previous prime is 30974334691. The next prime is 30974334767. The reversal of 30974334737 is 73743347903.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16878946561 + 14095388176 = 129919^2 + 118724^2 .
It is a cyclic number.
It is not a de Polignac number, because 30974334737 - 230 = 29900592913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30974334767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174013028 + ... + 174013205.
It is an arithmetic number, because the mean of its divisors is an integer number (7830590265).
Almost surely, 230974334737 is an apocalyptic number.
It is an amenable number.
30974334737 is a deficient number, since it is larger than the sum of its proper divisors (348026323).
30974334737 is an equidigital number, since it uses as much as digits as its factorization.
30974334737 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348026322.
The product of its (nonzero) digits is 4000752, while the sum is 50.
The spelling of 30974334737 in words is "thirty billion, nine hundred seventy-four million, three hundred thirty-four thousand, seven hundred thirty-seven".
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