Base | Representation |
---|---|
bin | 100111101100100111… |
… | …1001001000101100111 |
3 | 22011001011001002200001 |
4 | 1033121033021011213 |
5 | 2344042221111004 |
6 | 103055102002131 |
7 | 6105356401624 |
oct | 1173117110547 |
9 | 264034032601 |
10 | 85249003879 |
11 | 33176927416 |
12 | 14631876347 |
13 | 8067747880 |
14 | 41a9d3734b |
15 | 233e20e1a4 |
hex | 13d93c9167 |
85249003879 has 8 divisors (see below), whose sum is σ = 97207009200. Its totient is φ = 74062482816.
The previous prime is 85249003823. The next prime is 85249003891. The reversal of 85249003879 is 97830094258.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85249003879 - 225 = 85215449447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85249003079) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192870829 + ... + 192871270.
It is an arithmetic number, because the mean of its divisors is an integer number (12150876150).
Almost surely, 285249003879 is an apocalyptic number.
85249003879 is a deficient number, since it is larger than the sum of its proper divisors (11958005321).
85249003879 is a wasteful number, since it uses less digits than its factorization.
85249003879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385742129.
The product of its (nonzero) digits is 4354560, while the sum is 55.
The spelling of 85249003879 in words is "eighty-five billion, two hundred forty-nine million, three thousand, eight hundred seventy-nine".
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