Base | Representation |
---|---|
bin | 11100100110011000… |
… | …111111111000010101 |
3 | 2221021011010122021112 |
4 | 130212120333320111 |
5 | 1000342431432024 |
6 | 22035113224405 |
7 | 2134664663246 |
oct | 344630777025 |
9 | 87234118245 |
10 | 30708858389 |
11 | 12029393910 |
12 | 5b50402105 |
13 | 2b851b6531 |
14 | 16b464accd |
15 | beae9b00e |
hex | 72663fe15 |
30708858389 has 8 divisors (see below), whose sum is σ = 33959485632. Its totient is φ = 27534716640.
The previous prime is 30708858377. The next prime is 30708858413. The reversal of 30708858389 is 98385880703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30708858389 - 28 = 30708858133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30708858359) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19120529 + ... + 19122134.
It is an arithmetic number, because the mean of its divisors is an integer number (4244935704).
Almost surely, 230708858389 is an apocalyptic number.
It is an amenable number.
30708858389 is a deficient number, since it is larger than the sum of its proper divisors (3250627243).
30708858389 is a wasteful number, since it uses less digits than its factorization.
30708858389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38242747.
The product of its (nonzero) digits is 11612160, while the sum is 59.
The spelling of 30708858389 in words is "thirty billion, seven hundred eight million, eight hundred fifty-eight thousand, three hundred eighty-nine".
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