Base | Representation |
---|---|
bin | 11100001011101000… |
… | …000010000111011000 |
3 | 2220002212011212101011 |
4 | 130023220002013120 |
5 | 443433003033442 |
6 | 21522352503304 |
7 | 2120603116420 |
oct | 341350020730 |
9 | 86085155334 |
10 | 30259814872 |
11 | 11918970871 |
12 | 5a45b4ab34 |
13 | 2b13163001 |
14 | 1670b5b480 |
15 | bc184b117 |
hex | 70ba021d8 |
30259814872 has 32 divisors (see below), whose sum is σ = 64854374400. Its totient is φ = 12966109344.
The previous prime is 30259814863. The next prime is 30259814917. The reversal of 30259814872 is 27841895203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276873 + ... + 370375.
It is an arithmetic number, because the mean of its divisors is an integer number (2026699200).
Almost surely, 230259814872 is an apocalyptic number.
It is an amenable number.
30259814872 is an abundant number, since it is smaller than the sum of its proper divisors (34594559528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30259814872 is a wasteful number, since it uses less digits than its factorization.
30259814872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99295 (or 99291 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 30259814872 in words is "thirty billion, two hundred fifty-nine million, eight hundred fourteen thousand, eight hundred seventy-two".
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