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52128483539687 is a prime number
BaseRepresentation
bin10111101101001000110111…
…01111100111101011100111
320211120102201122110012020222
423312210123233213223213
523313033113241232222
6302511254510314555
713660105263121352
oct1366443357475347
9224512648405228
1052128483539687
1115678624a75a15
125a1aa237b8a5b
132311905925679
14cc3063db7299
15605eac7a4542
hex2f691bbe7ae7

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".