Base | Representation |
---|---|
bin | 11100011110110111… |
… | …111001111101011000 |
3 | 2220221100211022022110 |
4 | 130132313321331120 |
5 | 1000113140232442 |
6 | 22014410152320 |
7 | 2131604011443 |
oct | 343667717530 |
9 | 86840738273 |
10 | 30582742872 |
11 | 11a74185410 |
12 | 5b161226a0 |
13 | 2b6502ab76 |
14 | 16a19bc65a |
15 | bded8869c |
hex | 71edf9f58 |
30582742872 has 32 divisors (see below), whose sum is σ = 83407481280. Its totient is φ = 9267497760.
The previous prime is 30582742789. The next prime is 30582742933. The reversal of 30582742872 is 27824728503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57921598 + ... + 57922125.
It is an arithmetic number, because the mean of its divisors is an integer number (2606483790).
Almost surely, 230582742872 is an apocalyptic number.
It is an amenable number.
30582742872 is an abundant number, since it is smaller than the sum of its proper divisors (52824738408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30582742872 is a wasteful number, since it uses less digits than its factorization.
30582742872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115843743 (or 115843739 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 48.
The spelling of 30582742872 in words is "thirty billion, five hundred eighty-two million, seven hundred forty-two thousand, eight hundred seventy-two".
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