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213231011110 = 25131845188897
BaseRepresentation
bin1100011010010110001…
…1110000010100100110
3202101101102202200121221
43012211203300110212
511443144114323420
6241542412330554
721256030455265
oct3064543602446
9671342680557
10213231011110
118248138a727
12353aa773a5a
1317152515430
14a46b3c25dc
15582ed08caa
hex31a58f0526

213231011110 has 32 divisors (see below), whose sum is σ = 413367165792. Its totient is φ = 78726297600.

The previous prime is 213231011107. The next prime is 213231011111. The reversal of 213231011110 is 11110132312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354182 + ... + 2443078.

It is an arithmetic number, because the mean of its divisors is an integer number (12917723931).

Almost surely, 2213231011110 is an apocalyptic number.

213231011110 is a deficient number, since it is larger than the sum of its proper divisors (200136154682).

213231011110 is a wasteful number, since it uses less digits than its factorization.

213231011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107368.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 213231011110 its reverse (11110132312), we get a palindrome (224341143422).

The spelling of 213231011110 in words is "two hundred thirteen billion, two hundred thirty-one million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 18451 36902 88897 92255 177794 184510 239863 444485 479726 888970 1155661 1199315 2311322 2398630 5778305 11556610 1640238547 3280477094 8201192735 16402385470 21323101111 42646202222 106615505555 213231011110