Base | Representation |
---|---|
bin | 101111110010011101… |
… | …110110100010101001 |
3 | 11220110001121201121210 |
4 | 233302131312202221 |
5 | 1320042003131410 |
6 | 35323410023333 |
7 | 3464400332163 |
oct | 576235664251 |
9 | 156401551553 |
10 | 51312552105 |
11 | 1a841663961 |
12 | 9b40577b49 |
13 | 4ab9981089 |
14 | 26aab9b933 |
15 | 1504c14220 |
hex | bf27768a9 |
51312552105 has 8 divisors (see below), whose sum is σ = 82100083392. Its totient is φ = 27366694448.
The previous prime is 51312552059. The next prime is 51312552139. The reversal of 51312552105 is 50125521315.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51312552105 - 27 = 51312551977 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710418389 + ... + 1710418418.
It is an arithmetic number, because the mean of its divisors is an integer number (10262510424).
Almost surely, 251312552105 is an apocalyptic number.
It is an amenable number.
51312552105 is a deficient number, since it is larger than the sum of its proper divisors (30787531287).
51312552105 is a wasteful number, since it uses less digits than its factorization.
51312552105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3420836815.
The product of its (nonzero) digits is 7500, while the sum is 30.
The spelling of 51312552105 in words is "fifty-one billion, three hundred twelve million, five hundred fifty-two thousand, one hundred five".
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