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231222313433204 = 22154937317997649
BaseRepresentation
bin110100100100101110100011…
…110110110011100001110100
31010022200122012120200210000222
4310210232203312303201310
5220301321244214330304
62135434021523353512
766463155322534142
oct6444564366634164
91108618176623028
10231222313433204
1167746917a86085
1221b24524b22898
139c0322aa5a032
144115310b48592
151bae9529464be
hexd24ba3db3874

231222313433204 has 12 divisors (see below), whose sum is σ = 404900274502500. Its totient is φ = 115536520718208.

The previous prime is 231222313433141. The next prime is 231222313433231. The reversal of 231222313433204 is 402334313222132.

It can be written as a sum of positive squares in 2 ways, for example, as 22192597653604 + 209029715779600 = 4710902^2 + 14457860^2 .

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, 18658992629 + ... + 18659005020.

It is an arithmetic number, because the mean of its divisors is an integer number (33741689541875).

Almost surely, 2231222313433204 is an apocalyptic number.

It is an amenable number.

231222313433204 is a deficient number, since it is larger than the sum of its proper divisors (173677961069296).

231222313433204 is a wasteful number, since it uses less digits than its factorization.

231222313433204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37317999202 (or 37317999200 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 231222313433204 its reverse (402334313222132), we get a palindrome (633556626655336).

The spelling of 231222313433204 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirteen million, four hundred thirty-three thousand, two hundred four".

Divisors: 1 2 4 1549 3098 6196 37317997649 74635995298 149271990596 57805578358301 115611156716602 231222313433204