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213002113012 = 221310140556381
BaseRepresentation
bin1100011001011111101…
…0100100111111110100
3202100210111001110110121
43012113322210333310
511442212020104022
6241503554301324
721250251042013
oct3062772447764
9670714043417
10213002113012
118237415a147
1235345b87844
1317116c80880
14a448c3aa7a
155819b922c7
hex3197ea4ff4

213002113012 has 24 divisors (see below), whose sum is σ = 405401594472. Its totient is φ = 97335312000.

The previous prime is 213002112989. The next prime is 213002113033. The reversal of 213002113012 is 210311200312.

It can be written as a sum of positive squares in 4 ways, for example, as 107555137936 + 105446975076 = 327956^2 + 324726^2 .

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 7 ways as a sum of consecutive naturals, for example, 20272939 + ... + 20283442.

It is an arithmetic number, because the mean of its divisors is an integer number (16891733103).

Almost surely, 2213002113012 is an apocalyptic number.

It is an amenable number.

213002113012 is a deficient number, since it is larger than the sum of its proper divisors (192399481460).

213002113012 is a wasteful number, since it uses less digits than its factorization.

213002113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40556499 (or 40556497 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213002113012 its reverse (210311200312), we get a palindrome (423313313324).

It can be divided in two parts, 21300 and 2113012, that added together give a palindrome (2134312).

The spelling of 213002113012 in words is "two hundred thirteen billion, two million, one hundred thirteen thousand, twelve".

Divisors: 1 2 4 13 26 52 101 202 404 1313 2626 5252 40556381 81112762 162225524 527232953 1054465906 2108931812 4096194481 8192388962 16384777924 53250528253 106501056506 213002113012