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213221123110 = 2543716983987
BaseRepresentation
bin1100011010010011111…
…0000010010000100110
3202101100202011022211201
43012210332002100212
511443134101414420
6241541420353114
721255550433302
oct3064476022046
9671322138751
10213221123110
1182476846726
12353a73a579a
1317150462848
14a469d6ad02
15582e00410a
hex31a4f82426

213221123110 has 32 divisors (see below), whose sum is σ = 398254931712. Its totient is φ = 82131675360.

The previous prime is 213221123083. The next prime is 213221123123. The reversal of 213221123110 is 11321122312.

213221123110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461464 + ... + 3522523.

It is an arithmetic number, because the mean of its divisors is an integer number (12445466616).

Almost surely, 2213221123110 is an apocalyptic number.

213221123110 is a deficient number, since it is larger than the sum of its proper divisors (185033808602).

213221123110 is a wasteful number, since it uses less digits than its factorization.

213221123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984108.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213221123110 its reverse (11321122312), we get a palindrome (224542245422).

The spelling of 213221123110 in words is "two hundred thirteen billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 43 71 86 142 215 355 430 710 3053 6106 15265 30530 6983987 13967974 34919935 69839870 300311441 495863077 600622882 991726154 1501557205 2479315385 3003114410 4958630770 21322112311 42644224622 106610561555 213221123110