Base | Representation |
---|---|
bin | 101111110011100010… |
… | …010100111001010000 |
3 | 11220111022101200120000 |
4 | 233303202110321100 |
5 | 1320111102032344 |
6 | 35325250450000 |
7 | 3465006032661 |
oct | 576342247120 |
9 | 156438350500 |
10 | 51330502224 |
11 | 1a850804071 |
12 | 9b46593900 |
13 | 4ac05c7451 |
14 | 26ad311368 |
15 | 15065aca69 |
hex | bf3894e50 |
51330502224 has 100 divisors (see below), whose sum is σ = 150234976980. Its totient is φ = 16917880320.
The previous prime is 51330502199. The next prime is 51330502319. The reversal of 51330502224 is 42220503315.
It is a happy number.
51330502224 is a `hidden beast` number, since 5 + 133 + 0 + 502 + 2 + 24 = 666.
51330502224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 30334492224 + 20996010000 = 174168^2 + 144900^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107167 + ... + 337854.
Almost surely, 251330502224 is an apocalyptic number.
51330502224 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
51330502224 is an abundant number, since it is smaller than the sum of its proper divisors (98904474756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51330502224 is a wasteful number, since it uses less digits than its factorization.
51330502224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445130 (or 445115 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The spelling of 51330502224 in words is "fifty-one billion, three hundred thirty million, five hundred two thousand, two hundred twenty-four".
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