Base | Representation |
---|---|
bin | 11100110010010111… |
… | …010000001001101011 |
3 | 2221210011002211200021 |
4 | 130302113100021223 |
5 | 1001300342233324 |
6 | 22111050421311 |
7 | 2142654230101 |
oct | 346227201153 |
9 | 87704084607 |
10 | 30909727339 |
11 | 1212180a707 |
12 | 5ba7731837 |
13 | 2bb79b61ba |
14 | 16d31b7c71 |
15 | c0d927ae4 |
hex | 7325d026b |
30909727339 has 4 divisors (see below), whose sum is σ = 31082407560. Its totient is φ = 30737047120.
The previous prime is 30909727279. The next prime is 30909727361. The reversal of 30909727339 is 93372790903.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30909727339 - 219 = 30909203051 is a prime.
It is a super-2 number, since 2×309097273392 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30909227339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86339842 + ... + 86340199.
It is an arithmetic number, because the mean of its divisors is an integer number (7770601890).
Almost surely, 230909727339 is an apocalyptic number.
30909727339 is a deficient number, since it is larger than the sum of its proper divisors (172680221).
30909727339 is a wasteful number, since it uses less digits than its factorization.
30909727339 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172680220.
The product of its (nonzero) digits is 1928934, while the sum is 52.
The spelling of 30909727339 in words is "thirty billion, nine hundred nine million, seven hundred twenty-seven thousand, three hundred thirty-nine".
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