Base | Representation |
---|---|
bin | 11100010000011010… |
… | …000010001000100101 |
3 | 2220022110010021020100 |
4 | 130100122002020211 |
5 | 444114021443023 |
6 | 21534340054313 |
7 | 2122566002625 |
oct | 342032021045 |
9 | 86273107210 |
10 | 30340031013 |
11 | 1195a17a3a6 |
12 | 5a68994399 |
13 | 2b2696a896 |
14 | 167b67c885 |
15 | bc88e3c43 |
hex | 710682225 |
30340031013 has 6 divisors (see below), whose sum is σ = 43824489254. Its totient is φ = 20226687336.
The previous prime is 30340030997. The next prime is 30340031017. The reversal of 30340031013 is 31013004303.
30340031013 is a `hidden beast` number, since 3 + 0 + 340 + 0 + 310 + 13 = 666.
It can be written as a sum of positive squares in only one way, i.e., 26068362849 + 4271668164 = 161457^2 + 65358^2 .
It is not a de Polignac number, because 30340031013 - 24 = 30340030997 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 (30340031017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685557270 + ... + 1685557287.
Almost surely, 230340031013 is an apocalyptic number.
It is an amenable number.
30340031013 is a deficient number, since it is larger than the sum of its proper divisors (13484458241).
30340031013 is a wasteful number, since it uses less digits than its factorization.
30340031013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3371114563 (or 3371114560 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 30340031013 its reverse (31013004303), we get a palindrome (61353035316).
The spelling of 30340031013 in words is "thirty billion, three hundred forty million, thirty-one thousand, thirteen".
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