Base | Representation |
---|---|
bin | 101111111000101000… |
… | …010100011100110100 |
3 | 11220201021012100200200 |
4 | 233320220110130310 |
5 | 1320244441144343 |
6 | 35341542240500 |
7 | 3500064305055 |
oct | 577050243464 |
9 | 156637170620 |
10 | 51415959348 |
11 | 1a894a72296 |
12 | 9b6b126130 |
13 | 4b052186b0 |
14 | 26ba7d872c |
15 | 150dd3d4d3 |
hex | bf8a14734 |
51415959348 has 72 divisors (see below), whose sum is σ = 140009200968. Its totient is φ = 15815374848.
The previous prime is 51415959289. The next prime is 51415959377. The reversal of 51415959348 is 84395951415.
51415959348 is a `hidden beast` number, since 5 + 1 + 4 + 1 + 5 + 9 + 593 + 48 = 666.
51415959348 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 4 ways, for example, as 40297104 + 51375662244 = 6348^2 + 226662^2 .
It is a super-5 number, since 5×514159593485 (a number of 55 digits) contains 55555 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 51415959294 and 51415959303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666236 + ... + 1696812.
Almost surely, 251415959348 is an apocalyptic number.
It is an amenable number.
51415959348 is an abundant number, since it is smaller than the sum of its proper divisors (88593241620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51415959348 is a wasteful number, since it uses less digits than its factorization.
51415959348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34193 (or 34188 counting only the distinct ones).
The product of its digits is 3888000, while the sum is 54.
The spelling of 51415959348 in words is "fifty-one billion, four hundred fifteen million, nine hundred fifty-nine thousand, three hundred forty-eight".
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