Base | Representation |
---|---|
bin | 10111101101001000110111… |
… | …01111100111101011100111 |
3 | 20211120102201122110012020222 |
4 | 23312210123233213223213 |
5 | 23313033113241232222 |
6 | 302511254510314555 |
7 | 13660105263121352 |
oct | 1366443357475347 |
9 | 224512648405228 |
10 | 52128483539687 |
11 | 15678624a75a15 |
12 | 5a1aa237b8a5b |
13 | 2311905925679 |
14 | cc3063db7299 |
15 | 605eac7a4542 |
hex | 2f691bbe7ae7 |
52128483539687 has 2 divisors, whose sum is σ = 52128483539688. Its totient is φ = 52128483539686.
The previous prime is 52128483539579. The next prime is 52128483539753. The reversal of 52128483539687 is 78693538482125.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52128483539687 - 218 = 52128483277543 is a prime.
It is a super-2 number, since 2×521284835396872 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 52128483539687.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52128483539287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26064241769843 + 26064241769844.
It is an arithmetic number, because the mean of its divisors is an integer number (26064241769844).
Almost surely, 252128483539687 is an apocalyptic number.
52128483539687 is a deficient number, since it is larger than the sum of its proper divisors (1).
52128483539687 is an equidigital number, since it uses as much as digits as its factorization.
52128483539687 is an evil number, because the sum of its binary digits is even.
The product of its digits is 696729600, while the sum is 71.
The spelling of 52128483539687 in words is "fifty-two trillion, one hundred twenty-eight billion, four hundred eighty-three million, five hundred thirty-nine thousand, six hundred eighty-seven".
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