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212110142 = 24314916553
BaseRepresentation
bin11001010010010…
…00101100111110
3112210010022102012
430221020230332
5413300011032
633014131222
75153622626
oct1451105476
9483108365
10212110142
11a9804542
125b050b12
1334c3747a
1420255886
151394c6b2
hexca48b3e

212110142 has 16 divisors (see below), whose sum is σ = 327769200. Its totient is φ = 102887232.

The previous prime is 212110127. The next prime is 212110183. The reversal of 212110142 is 241011212.

It is a happy number.

212110142 is digitally balanced in base 2 and base 3, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 4538 + ... + 21090.

It is an arithmetic number, because the mean of its divisors is an integer number (20485575).

Almost surely, 2212110142 is an apocalyptic number.

212110142 is a deficient number, since it is larger than the sum of its proper divisors (115659058).

212110142 is a wasteful number, since it uses less digits than its factorization.

212110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212110142 is about 14564.0015792364. The cubic root of 212110142 is about 596.3764400387.

Adding to 212110142 its reverse (241011212), we get a palindrome (453121354).

The spelling of 212110142 in words is "two hundred twelve million, one hundred ten thousand, one hundred forty-two".

Divisors: 1 2 43 86 149 298 6407 12814 16553 33106 711779 1423558 2466397 4932794 106055071 212110142