Base | Representation |
---|---|
bin | 11100101110000011… |
… | …101111110101101010 |
3 | 2221121010012120210010 |
4 | 130232003233311222 |
5 | 1001123400133021 |
6 | 22055550432350 |
7 | 2141116320342 |
oct | 345603576552 |
9 | 87533176703 |
10 | 30837505386 |
11 | 12094a71246 |
12 | 5b875026b6 |
13 | 2ba5a4a20c |
14 | 16c7777d22 |
15 | c0740d976 |
hex | 72e0efd6a |
30837505386 has 8 divisors (see below), whose sum is σ = 61675010784. Its totient is φ = 10279168460.
The previous prime is 30837505379. The next prime is 30837505399. The reversal of 30837505386 is 68350573803.
It is a sphenic number, since it is the product of 3 distinct primes.
30837505386 is an admirable number.
It is a super-4 number, since 4×308375053864 (a number of 43 digits) contains 4444 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569792110 + ... + 2569792121.
It is an arithmetic number, because the mean of its divisors is an integer number (7709376348).
Almost surely, 230837505386 is an apocalyptic number.
30837505386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30837505386 is a wasteful number, since it uses less digits than its factorization.
30837505386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5139584236.
The product of its (nonzero) digits is 1814400, while the sum is 48.
The spelling of 30837505386 in words is "thirty billion, eight hundred thirty-seven million, five hundred five thousand, three hundred eighty-six".
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