Base | Representation |
---|---|
bin | 11010110110011111… |
… | …001110101111011110 |
3 | 2202102022110002210211 |
4 | 122312133032233132 |
5 | 433021322201214 |
6 | 21124525523034 |
7 | 2040320141566 |
oct | 326637165736 |
9 | 82368402724 |
10 | 28831443934 |
11 | 11255664617 |
12 | 570771347a |
13 | 294625cbc7 |
14 | 1577181da6 |
15 | b3b2500c4 |
hex | 6b67cebde |
28831443934 has 8 divisors (see below), whose sum is σ = 43252055640. Its totient is φ = 14414092056.
The previous prime is 28831443931. The next prime is 28831443937. The reversal of 28831443934 is 43934413882.
It is an interprime number because it is at equal distance from previous prime (28831443931) and next prime (28831443937).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28831443931) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792724 + ... + 828295.
It is an arithmetic number, because the mean of its divisors is an integer number (5406506955).
Almost surely, 228831443934 is an apocalyptic number.
28831443934 is a deficient number, since it is larger than the sum of its proper divisors (14420611706).
28831443934 is a wasteful number, since it uses less digits than its factorization.
28831443934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1629914.
The product of its digits is 1990656, while the sum is 49.
The spelling of 28831443934 in words is "twenty-eight billion, eight hundred thirty-one million, four hundred forty-three thousand, nine hundred thirty-four".
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