Base | Representation |
---|---|
bin | 101111110001111110… |
… | …001100101001011011 |
3 | 11220102111000010211011 |
4 | 233301332030221123 |
5 | 1320032342112133 |
6 | 35322512114351 |
7 | 3464236651450 |
oct | 576176145133 |
9 | 156374003734 |
10 | 51304254043 |
11 | 1a837a06459 |
12 | 9b398359b7 |
13 | 4ab8037093 |
14 | 26a9a3b827 |
15 | 15041256cd |
hex | bf1f8ca5b |
51304254043 has 24 divisors (see below), whose sum is σ = 64519616000. Its totient is φ = 39849212304.
The previous prime is 51304253989. The next prime is 51304254059. The reversal of 51304254043 is 34045240315.
It is not a de Polignac number, because 51304254043 - 217 = 51304122971 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 51304253996 and 51304254014.
It is not an unprimeable number, because it can be changed into a prime (51304254943) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294243 + ... + 434956.
Almost surely, 251304254043 is an apocalyptic number.
51304254043 is a deficient number, since it is larger than the sum of its proper divisors (13215361957).
51304254043 is a wasteful number, since it uses less digits than its factorization.
51304254043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729271 (or 729248 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 51304254043 its reverse (34045240315), we get a palindrome (85349494358).
The spelling of 51304254043 in words is "fifty-one billion, three hundred four million, two hundred fifty-four thousand, forty-three".
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