Base | Representation |
---|---|
bin | 101111100001010101… |
… | …011001111100001010 |
3 | 11212201000202220221021 |
4 | 233201111121330022 |
5 | 1313444413001010 |
6 | 35235101303054 |
7 | 3454310256520 |
oct | 574125317412 |
9 | 155630686837 |
10 | 51025125130 |
11 | 1a704397801 |
12 | 9a80264a8a |
13 | 4a72266045 |
14 | 268093c310 |
15 | 14d988a8da |
hex | be1559f0a |
51025125130 has 32 divisors (see below), whose sum is σ = 106946469504. Its totient is φ = 17164245696.
The previous prime is 51025125103. The next prime is 51025125161. The reversal of 51025125130 is 3152152015.
It is a junction number, because it is equal to n+sod(n) for n = 51025125095 and 51025125104.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 6872992 + ... + 6880411.
It is an arithmetic number, because the mean of its divisors is an integer number (3342077172).
Almost surely, 251025125130 is an apocalyptic number.
51025125130 is an abundant number, since it is smaller than the sum of its proper divisors (55921344374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51025125130 is a wasteful number, since it uses less digits than its factorization.
51025125130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13753470.
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 51025125130 its reverse (3152152015), we get a palindrome (54177277145).
The spelling of 51025125130 in words is "fifty-one billion, twenty-five million, one hundred twenty-five thousand, one hundred thirty".
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