Base | Representation |
---|---|
bin | 101111101101100001… |
… | …001101101001010000 |
3 | 11220020021102122010220 |
4 | 233231201031221100 |
5 | 1314404231001323 |
6 | 35311242553040 |
7 | 3462341652066 |
oct | 575541155120 |
9 | 156207378126 |
10 | 51229547088 |
11 | 1a7a981aa75 |
12 | 9b18808780 |
13 | 4aa570ac95 |
14 | 269db52036 |
15 | 14ec7ba0e3 |
hex | bed84da50 |
51229547088 has 80 divisors (see below), whose sum is σ = 142548257280. Its totient is φ = 15801512832.
The previous prime is 51229547087. The next prime is 51229547113. The reversal of 51229547088 is 88074592215.
51229547088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 51229547088.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51229547081) 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, 613956 + ... + 692387.
It is an arithmetic number, because the mean of its divisors is an integer number (1781853216).
Almost surely, 251229547088 is an apocalyptic number.
It is an amenable number.
51229547088 is an abundant number, since it is smaller than the sum of its proper divisors (91318710192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51229547088 is a wasteful number, since it uses less digits than its factorization.
51229547088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306416 (or 1306410 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 51.
The spelling of 51229547088 in words is "fifty-one billion, two hundred twenty-nine million, five hundred forty-seven thousand, eighty-eight".
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