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52505505278051 = 71731526722261
BaseRepresentation
bin10111111000000111000111…
…11111011010100001100011
320212220110212221100221002112
423330003203333122201203
523340222233322344201
6303400410210505535
714026253240042060
oct1374034377324143
9225813787327075
1052505505278051
1115803506a06241
125a7bb035952ab
13233b32b846297
14cd73cc509c67
15610bc6c340bb
hex2fc0e3fda863

52505505278051 has 16 divisors (see below), whose sum is σ = 63755921661120. Its totient is φ = 42357382381440.

The previous prime is 52505505277993. The next prime is 52505505278053. The reversal of 52505505278051 is 15087250550525.

It is not a de Polignac number, because 52505505278051 - 214 = 52505505261667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505505278053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763326740 + ... + 763395521.

It is an arithmetic number, because the mean of its divisors is an integer number (3984745103820).

Almost surely, 252505505278051 is an apocalyptic number.

52505505278051 is a deficient number, since it is larger than the sum of its proper divisors (11250416383069).

52505505278051 is an equidigital number, since it uses as much as digits as its factorization.

52505505278051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526722319 (or 1526722285 counting only the distinct ones).

The product of its (nonzero) digits is 3500000, while the sum is 50.

The spelling of 52505505278051 in words is "fifty-two trillion, five hundred five billion, five hundred five million, two hundred seventy-eight thousand, fifty-one".

Divisors: 1 7 17 119 289 2023 4913 34391 1526722261 10687055827 25954278437 181679949059 441222733429 3088559134003 7500786468293 52505505278051