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142111210 = 2522363727
BaseRepresentation
bin10000111100001…
…11000111101010
3100220101222221011
420132013013222
5242340024320
622033534134
73343632253
oct1036070752
9326358834
10142111210
117324428a
123b71434a
1323599297
1414c33b2a
15c72205a
hex87871ea

142111210 has 16 divisors (see below), whose sum is σ = 256951296. Its totient is φ = 56588688.

The previous prime is 142111187. The next prime is 142111213. The reversal of 142111210 is 12111241.

142111210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142111213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29634 + ... + 34093.

It is an arithmetic number, because the mean of its divisors is an integer number (16059456).

Almost surely, 2142111210 is an apocalyptic number.

142111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142111210 is a deficient number, since it is larger than the sum of its proper divisors (114840086).

142111210 is a wasteful number, since it uses less digits than its factorization.

142111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63957.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 142111210 is about 11921.0406424943. The cubic root of 142111210 is about 521.8465048804.

Adding to 142111210 its reverse (12111241), we get a palindrome (154222451).

The spelling of 142111210 in words is "one hundred forty-two million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 223 446 1115 2230 63727 127454 318635 637270 14211121 28422242 71055605 142111210