Base | Representation |
---|---|
bin | 101111111001100111… |
… | …011101001100101111 |
3 | 11220202102100020021020 |
4 | 233321213131030233 |
5 | 1320313210312010 |
6 | 35343333105223 |
7 | 3500355060330 |
oct | 577147351457 |
9 | 156672306236 |
10 | 51432510255 |
11 | 1a8a3347225 |
12 | 9b74788213 |
13 | 4b08791c29 |
14 | 26bcaa6287 |
15 | 151050c470 |
hex | bf99dd32f |
51432510255 has 32 divisors (see below), whose sum is σ = 95336361984. Its totient is φ = 23189918976.
The previous prime is 51432510251. The next prime is 51432510257. The reversal of 51432510255 is 55201523415.
It is not a de Polignac number, because 51432510255 - 22 = 51432510251 is a prime.
It is a super-2 number, since 2×514325102552 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51432510251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347359 + ... + 3362688.
It is an arithmetic number, because the mean of its divisors is an integer number (2979261312).
Almost surely, 251432510255 is an apocalyptic number.
51432510255 is a deficient number, since it is larger than the sum of its proper divisors (43903851729).
51432510255 is a wasteful number, since it uses less digits than its factorization.
51432510255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6710135.
The product of its (nonzero) digits is 30000, while the sum is 33.
The spelling of 51432510255 in words is "fifty-one billion, four hundred thirty-two million, five hundred ten thousand, two hundred fifty-five".
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