Base | Representation |
---|---|
bin | 100011110110010000… |
… | …100011011010011011 |
3 | 10200100112010020221111 |
4 | 203312100203122123 |
5 | 1112312231212414 |
6 | 25403241321151 |
7 | 2531564264254 |
oct | 436620433233 |
9 | 120315106844 |
10 | 38491272859 |
11 | 15362358006 |
12 | 75627961b7 |
13 | 3825625c00 |
14 | 1c12075b2b |
15 | 10043168c4 |
hex | 8f642369b |
38491272859 has 12 divisors (see below), whose sum is σ = 43117142400. Its totient is φ = 34305214944.
The previous prime is 38491272773. The next prime is 38491272893. The reversal of 38491272859 is 95827219483.
38491272859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38491272859 - 227 = 38357055131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38491272059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3921979 + ... + 3931780.
It is an arithmetic number, because the mean of its divisors is an integer number (3593095200).
Almost surely, 238491272859 is an apocalyptic number.
38491272859 is a deficient number, since it is larger than the sum of its proper divisors (4625869541).
38491272859 is a wasteful number, since it uses less digits than its factorization.
38491272859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7853814 (or 7853801 counting only the distinct ones).
The product of its digits is 8709120, while the sum is 58.
The spelling of 38491272859 in words is "thirty-eight billion, four hundred ninety-one million, two hundred seventy-two thousand, eight hundred fifty-nine".
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