Base | Representation |
---|---|
bin | 11010110100110110… |
… | …111100110010001111 |
3 | 2202100102000021010212 |
4 | 122310312330302033 |
5 | 432442322414112 |
6 | 21122111553035 |
7 | 2036535605345 |
oct | 326466746217 |
9 | 82312007125 |
10 | 28804107407 |
11 | 11241193249 |
12 | 56ba52b77b |
13 | 29406ab34a |
14 | 15736a7995 |
15 | b38b50522 |
hex | 6b4dbcc8f |
28804107407 has 16 divisors (see below), whose sum is σ = 31503945600. Its totient is φ = 26230952160.
The previous prime is 28804107389. The next prime is 28804107413. The reversal of 28804107407 is 70470140882.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 28804107407 - 224 = 28787330191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28804107427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9932 + ... + 240222.
It is an arithmetic number, because the mean of its divisors is an integer number (1968996600).
Almost surely, 228804107407 is an apocalyptic number.
28804107407 is a deficient number, since it is larger than the sum of its proper divisors (2699838193).
28804107407 is a wasteful number, since it uses less digits than its factorization.
28804107407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230566.
The product of its (nonzero) digits is 100352, while the sum is 41.
The spelling of 28804107407 in words is "twenty-eight billion, eight hundred four million, one hundred seven thousand, four hundred seven".
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