Base | Representation |
---|---|
bin | 110100111011001011… |
… | …010111001110001010 |
3 | 12102200101210111110121 |
4 | 310323023113032022 |
5 | 1412340304044130 |
6 | 42034532333454 |
7 | 4051144003051 |
oct | 647313271612 |
9 | 172611714417 |
10 | 56827409290 |
11 | 22111655773 |
12 | b01b47428a |
13 | 5488397392 |
14 | 2a713a1398 |
15 | 1728e6ad7a |
hex | d3b2d738a |
56827409290 has 32 divisors (see below), whose sum is σ = 102629837520. Its totient is φ = 22655407104.
The previous prime is 56827409239. The next prime is 56827409291. The reversal of 56827409290 is 9290472865.
It can be written as a sum of positive squares in 8 ways, for example, as 2976029809 + 53851379481 = 54553^2 + 232059^2 .
It is a super-2 number, since 2×568274092902 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (56827409291) 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, 4622632 + ... + 4634908.
Almost surely, 256827409290 is an apocalyptic number.
56827409290 is a deficient number, since it is larger than the sum of its proper divisors (45802428230).
56827409290 is a wasteful number, since it uses less digits than its factorization.
56827409290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13786.
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 56827409290 in words is "fifty-six billion, eight hundred twenty-seven million, four hundred nine thousand, two hundred ninety".
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