Base | Representation |
---|---|
bin | 11100010011011001… |
… | …011000010011010001 |
3 | 2220102221111200020020 |
4 | 130103121120103101 |
5 | 444214342110223 |
6 | 21543331134053 |
7 | 2124045235566 |
oct | 342331302321 |
9 | 86387450206 |
10 | 30390191313 |
11 | 1198551a599 |
12 | 5a81744329 |
13 | 2b34180c31 |
14 | 16841b886d |
15 | bcd0011e3 |
hex | 7136584d1 |
30390191313 has 16 divisors (see below), whose sum is σ = 40634880000. Its totient is φ = 20202883920.
The previous prime is 30390191297. The next prime is 30390191329. The reversal of 30390191313 is 31319109303.
It is an interprime number because it is at equal distance from previous prime (30390191297) and next prime (30390191329).
It is not a de Polignac number, because 30390191313 - 24 = 30390191297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30390191333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966848 + ... + 1982238.
It is an arithmetic number, because the mean of its divisors is an integer number (2539680000).
Almost surely, 230390191313 is an apocalyptic number.
It is an amenable number.
30390191313 is a deficient number, since it is larger than the sum of its proper divisors (10244688687).
30390191313 is a wasteful number, since it uses less digits than its factorization.
30390191313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17212.
The product of its (nonzero) digits is 6561, while the sum is 33.
The spelling of 30390191313 in words is "thirty billion, three hundred ninety million, one hundred ninety-one thousand, three hundred thirteen".
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