Base | Representation |
---|---|
bin | 101111100011011011… |
… | …010010101101010001 |
3 | 11212210110211001220000 |
4 | 233203123102231101 |
5 | 1314032404112201 |
6 | 35242353440213 |
7 | 3455214506220 |
oct | 574333225521 |
9 | 155713731800 |
10 | 51060222801 |
11 | 1a72218a145 |
12 | 9a8bb70069 |
13 | 4a796043b3 |
14 | 2685476cb7 |
15 | 14dc9bed86 |
hex | be36d2b51 |
51060222801 has 40 divisors (see below), whose sum is σ = 90961689984. Its totient is φ = 27908686080.
The previous prime is 51060222769. The next prime is 51060222817. The reversal of 51060222801 is 10822206015.
It is a happy number.
51060222801 is a `hidden beast` number, since 51 + 0 + 602 + 2 + 2 + 8 + 0 + 1 = 666.
It is not a de Polignac number, because 51060222801 - 25 = 51060222769 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (51060222001) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1944640 + ... + 1970721.
Almost surely, 251060222801 is an apocalyptic number.
It is an amenable number.
51060222801 is a deficient number, since it is larger than the sum of its proper divisors (39901467183).
51060222801 is a wasteful number, since it uses less digits than its factorization.
51060222801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915403 (or 3915394 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
Adding to 51060222801 its reverse (10822206015), we get a palindrome (61882428816).
The spelling of 51060222801 in words is "fifty-one billion, sixty million, two hundred twenty-two thousand, eight hundred one".
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