Base | Representation |
---|---|
bin | 11010001000010001… |
… | …100011101100110101 |
3 | 2200102021111221121210 |
4 | 122020101203230311 |
5 | 424424330422304 |
6 | 20515551432033 |
7 | 2012153660511 |
oct | 321021435465 |
9 | 80367457553 |
10 | 28056107829 |
11 | 10997a3a082 |
12 | 552bb25619 |
13 | 2851734249 |
14 | 15021d7141 |
15 | ae314ac89 |
hex | 688463b35 |
28056107829 has 8 divisors (see below), whose sum is σ = 37430039520. Its totient is φ = 18693124016.
The previous prime is 28056107803. The next prime is 28056107837. The reversal of 28056107829 is 92870165082.
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 28056107829 - 217 = 28055976757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28056107869) 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, 2730987 + ... + 2741240.
It is an arithmetic number, because the mean of its divisors is an integer number (4678754940).
Almost surely, 228056107829 is an apocalyptic number.
It is an amenable number.
28056107829 is a deficient number, since it is larger than the sum of its proper divisors (9373931691).
28056107829 is a wasteful number, since it uses less digits than its factorization.
28056107829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5473939.
The product of its (nonzero) digits is 483840, while the sum is 48.
The spelling of 28056107829 in words is "twenty-eight billion, fifty-six million, one hundred seven thousand, eight hundred twenty-nine".
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