Base | Representation |
---|---|
bin | 11100010011101000… |
… | …000001000100010111 |
3 | 2220110012201121121021 |
4 | 130103220001010113 |
5 | 444221332401221 |
6 | 21543545302011 |
7 | 2124122656303 |
oct | 342350010427 |
9 | 86405647537 |
10 | 30394028311 |
11 | 11987700369 |
12 | 5a82a94907 |
13 | 2b34bc554a |
14 | 16848d6d03 |
15 | bcd50d041 |
hex | 713a01117 |
30394028311 has 4 divisors (see below), whose sum is σ = 30402688624. Its totient is φ = 30385368000.
The previous prime is 30394028263. The next prime is 30394028317. The reversal of 30394028311 is 11382049303.
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 30394028311 - 213 = 30394020119 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 (30394028317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324890 + ... + 4331911.
It is an arithmetic number, because the mean of its divisors is an integer number (7600672156).
Almost surely, 230394028311 is an apocalyptic number.
30394028311 is a deficient number, since it is larger than the sum of its proper divisors (8660313).
30394028311 is an equidigital number, since it uses as much as digits as its factorization.
30394028311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8660312.
The product of its (nonzero) digits is 15552, while the sum is 34.
The spelling of 30394028311 in words is "thirty billion, three hundred ninety-four million, twenty-eight thousand, three hundred eleven".
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