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222102131132 = 2277932218969
BaseRepresentation
bin1100111011011001010…
…0011001000110111100
3210020021200100021112202
43032312110121012330
512114331121144012
6250010551251032
722021616652050
oct3166624310674
9706250307482
10222102131132
1186213954482
1237065679a78
1317c3737c98b
14aa6d649c60
155b9da28cc2
hex33b65191bc

222102131132 has 12 divisors (see below), whose sum is σ = 444204262320. Its totient is φ = 95186627616.

The previous prime is 222102131087. The next prime is 222102131161. The reversal of 222102131132 is 231131201222.

222102131132 is an admirable number.

It is a super-2 number, since 2×2221021311322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966109457 + ... + 3966109512.

It is an arithmetic number, because the mean of its divisors is an integer number (37017021860).

Almost surely, 2222102131132 is an apocalyptic number.

It is an amenable number.

222102131132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222102131132 is a wasteful number, since it uses less digits than its factorization.

222102131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932218980 (or 7932218978 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222102131132 its reverse (231131201222), we get a palindrome (453233332354).

The spelling of 222102131132 in words is "two hundred twenty-two billion, one hundred two million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 7932218969 15864437938 31728875876 55525532783 111051065566 222102131132