Base | Representation |
---|---|
bin | 11100010011101100… |
… | …101101001011010000 |
3 | 2220110022001001210201 |
4 | 130103230231023100 |
5 | 444222141220202 |
6 | 21544031504544 |
7 | 2124136266142 |
oct | 342354551320 |
9 | 86408031721 |
10 | 30395257552 |
11 | 1198836a970 |
12 | 5a83388154 |
13 | 2b35235bca |
14 | 1684b36c92 |
15 | bcd6a2387 |
hex | 713b2d2d0 |
30395257552 has 20 divisors (see below), whose sum is σ = 64244522016. Its totient is φ = 13816026080.
The previous prime is 30395257513. The next prime is 30395257573. The reversal of 30395257552 is 25575259303.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86349988 + ... + 86350339.
Almost surely, 230395257552 is an apocalyptic number.
It is an amenable number.
30395257552 is an abundant number, since it is smaller than the sum of its proper divisors (33849264464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30395257552 is a wasteful number, since it uses less digits than its factorization.
30395257552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172700346 (or 172700340 counting only the distinct ones).
The product of its (nonzero) digits is 1417500, while the sum is 46.
The spelling of 30395257552 in words is "thirty billion, three hundred ninety-five million, two hundred fifty-seven thousand, five hundred fifty-two".
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