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212213242142 = 2119646056461
BaseRepresentation
bin1100010110100011100…
…1010001100100011110
3202021202111122200001222
43011220321101210132
511434103042222032
6241253414133342
721221561536646
oct3055071214436
9667674580058
10212213242142
1181aa992a850
1235165951252
131701c6c6485
14a3b216b526
1557c07b7a12
hex3168e5191e

212213242142 has 8 divisors (see below), whose sum is σ = 347258032632. Its totient is φ = 96460564600.

The previous prime is 212213242093. The next prime is 212213242187. The reversal of 212213242142 is 241242312212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4823028209 + ... + 4823028252.

It is an arithmetic number, because the mean of its divisors is an integer number (43407254079).

Almost surely, 2212213242142 is an apocalyptic number.

212213242142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212213242142 is a deficient number, since it is larger than the sum of its proper divisors (135044790490).

212213242142 is a wasteful number, since it uses less digits than its factorization.

212213242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646056474.

The product of its digits is 3072, while the sum is 26.

Adding to 212213242142 its reverse (241242312212), we get a palindrome (453455554354).

The spelling of 212213242142 in words is "two hundred twelve billion, two hundred thirteen million, two hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 11 22 9646056461 19292112922 106106621071 212213242142