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212431114031142 = 23109324818217173
BaseRepresentation
bin110000010011010001111001…
…000101110101000000100110
31000212011012211120211002011110
4300103101321011311000212
5210320432410142444032
62031445301225245450
762513433016202226
oct6023217105650046
91025135746732143
10212431114031142
1161761590891676
121b9aa6a6333886
13916c2254061c6
143a65a13b62086
151985c4a1da7cc
hexc13479175026

212431114031142 has 16 divisors (see below), whose sum is σ = 428760046669680. Its totient is φ = 70160734909152.

The previous prime is 212431114031117. The next prime is 212431114031189. The reversal of 212431114031142 is 241130411134212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162409107933 + ... + 162409109240.

It is an arithmetic number, because the mean of its divisors is an integer number (26797502916855).

Almost surely, 2212431114031142 is an apocalyptic number.

212431114031142 is an abundant number, since it is smaller than the sum of its proper divisors (216328932638538).

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

212431114031142 is a wasteful number, since it uses less digits than its factorization.

212431114031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324818217287.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 212431114031142 its reverse (241130411134212), we get a palindrome (453561525165354).

The spelling of 212431114031142 in words is "two hundred twelve trillion, four hundred thirty-one billion, one hundred fourteen million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 109 218 327 654 324818217173 649636434346 974454651519 1948909303038 35405185671857 70810371343714 106215557015571 212431114031142