Base | Representation |
---|---|
bin | 101111111111001001… |
… | …111011101111000000 |
3 | 11220222220012021002200 |
4 | 233333021323233000 |
5 | 1321011002344204 |
6 | 35400452513200 |
7 | 3502563652041 |
oct | 577711735700 |
9 | 156886167080 |
10 | 51525434304 |
11 | 1a940845463 |
12 | 9b9b91b800 |
13 | 4b21ac8a86 |
14 | 26cb1748c8 |
15 | 1518765539 |
hex | bff27bbc0 |
51525434304 has 168 divisors, whose sum is σ = 152690608512. Its totient is φ = 16595159040.
The previous prime is 51525434267. The next prime is 51525434309. The reversal of 51525434304 is 40343452515.
51525434304 is a `hidden beast` number, since 51 + 525 + 43 + 43 + 0 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51525434309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13800822 + ... + 13804554.
Almost surely, 251525434304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51525434304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76345304256).
51525434304 is an abundant number, since it is smaller than the sum of its proper divisors (101165174208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51525434304 is a wasteful number, since it uses less digits than its factorization.
51525434304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4555 (or 4542 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 36.
Adding to 51525434304 its reverse (40343452515), we get a palindrome (91868886819).
The spelling of 51525434304 in words is "fifty-one billion, five hundred twenty-five million, four hundred thirty-four thousand, three hundred four".
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