Base | Representation |
---|---|
bin | 11100001000010000… |
… | …000111001000011011 |
3 | 2212221220200011021011 |
4 | 130020100013020123 |
5 | 443324010243230 |
6 | 21513011354351 |
7 | 2116315032403 |
oct | 341020071033 |
9 | 85856604234 |
10 | 30203212315 |
11 | 11899a204a1 |
12 | 5a2abb29b7 |
13 | 2b04505583 |
14 | 1667425803 |
15 | bbb8b9e2a |
hex | 70840721b |
30203212315 has 16 divisors (see below), whose sum is σ = 37166332896. Its totient is φ = 23548806400.
The previous prime is 30203212309. The next prime is 30203212321. The reversal of 30203212315 is 51321230203.
It is an interprime number because it is at equal distance from previous prime (30203212309) and next prime (30203212321).
It is not a de Polignac number, because 30203212315 - 27 = 30203212187 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123189 + ... + 274921.
It is an arithmetic number, because the mean of its divisors is an integer number (2322895806).
Almost surely, 230203212315 is an apocalyptic number.
30203212315 is a deficient number, since it is larger than the sum of its proper divisors (6963120581).
30203212315 is a wasteful number, since it uses less digits than its factorization.
30203212315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152750.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 30203212315 its reverse (51321230203), we get a palindrome (81524442518).
The spelling of 30203212315 in words is "thirty billion, two hundred three million, two hundred twelve thousand, three hundred fifteen".
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