Base | Representation |
---|---|
bin | 101111100111001001… |
… | …001100111001100010 |
3 | 11212221211011121121200 |
4 | 233213021030321202 |
5 | 1314144340324112 |
6 | 35252502302030 |
7 | 3456602560542 |
oct | 574711147142 |
9 | 155854147550 |
10 | 51122589282 |
11 | 1a754406a96 |
12 | 9aa8a27916 |
13 | 4a894cc53b |
14 | 268d86d322 |
15 | 14e31ddcdc |
hex | be724ce62 |
51122589282 has 54 divisors (see below), whose sum is σ = 111867595203. Its totient is φ = 16872990144.
The previous prime is 51122589281. The next prime is 51122589293. The reversal of 51122589282 is 28298522115.
51122589282 is a `hidden beast` number, since 5 + 112 + 258 + 9 + 282 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 16070886441 + 35051702841 = 126771^2 + 187221^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=159879.
It is a super-2 number, since 2×511225892822 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51122589281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 131420344 + ... + 131420732.
Almost surely, 251122589282 is an apocalyptic number.
51122589282 is an abundant number, since it is smaller than the sum of its proper divisors (60745005921).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51122589282 is an equidigital number, since it uses as much as digits as its factorization.
51122589282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060 (or 531 counting only the distinct ones).
The product of its digits is 230400, while the sum is 45.
The spelling of 51122589282 in words is "fifty-one billion, one hundred twenty-two million, five hundred eighty-nine thousand, two hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •