Base | Representation |
---|---|
bin | 11100010001110110… |
… | …001000001110111101 |
3 | 2220101010112211011002 |
4 | 130101312020032331 |
5 | 444141212020440 |
6 | 21541001340045 |
7 | 2123311133300 |
oct | 342166101675 |
9 | 86333484132 |
10 | 30364173245 |
11 | 1197186985a |
12 | 5a74a97625 |
13 | 2b2b971523 |
14 | 1680964b37 |
15 | bcaab2115 |
hex | 711d883bd |
30364173245 has 24 divisors (see below), whose sum is σ = 42408991800. Its totient is φ = 20809807872.
The previous prime is 30364173241. The next prime is 30364173269. The reversal of 30364173245 is 54237146303.
It can be written as a sum of positive squares in 4 ways, for example, as 8254267609 + 22109905636 = 90853^2 + 148694^2 .
It is not a de Polignac number, because 30364173245 - 22 = 30364173241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30364173199 and 30364173208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30364173241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430001 + ... + 495609.
It is an arithmetic number, because the mean of its divisors is an integer number (1767041325).
Almost surely, 230364173245 is an apocalyptic number.
30364173245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30364173245 is a deficient number, since it is larger than the sum of its proper divisors (12044818555).
30364173245 is a wasteful number, since it uses less digits than its factorization.
30364173245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67517 (or 67510 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 38.
The spelling of 30364173245 in words is "thirty billion, three hundred sixty-four million, one hundred seventy-three thousand, two hundred forty-five".
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