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213355231054 = 27731071951051
BaseRepresentation
bin1100011010110011110…
…1100111011101001110
3202101201002111201100121
43012230331213131032
511443422414343204
6242003011015154
721262066353460
oct3065475473516
9671632451317
10213355231054
1182535513a39
123542429a4ba
1317172189064
14a47daba130
15583ab94b54
hex31acf6774e

213355231054 has 32 divisors (see below), whose sum is σ = 374227382016. Its totient is φ = 89342481600.

The previous prime is 213355231013. The next prime is 213355231109. The reversal of 213355231054 is 450132553312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866172 + ... + 1084879.

It is an arithmetic number, because the mean of its divisors is an integer number (11694605688).

Almost surely, 2213355231054 is an apocalyptic number.

213355231054 is a deficient number, since it is larger than the sum of its proper divisors (160872150962).

213355231054 is a wasteful number, since it uses less digits than its factorization.

213355231054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951240.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 213355231054 its reverse (450132553312), we get a palindrome (663487784366).

The spelling of 213355231054 in words is "two hundred thirteen billion, three hundred fifty-five million, two hundred thirty-one thousand, fifty-four".

Divisors: 1 2 7 14 73 107 146 214 511 749 1022 1498 7811 15622 54677 109354 1951051 3902102 13657357 27314714 142426723 208762457 284853446 417524914 996987061 1461337199 1993974122 2922674398 15239659361 30479318722 106677615527 213355231054