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142100233 = 11236783101
BaseRepresentation
bin10000111100001…
…00011100001001
3100220101102212121
420132010130021
5242334201413
622033411241
73343555252
oct1036043411
9326342777
10142100233
1173237010
123b709b21
13235942a2
1414c2db29
15c71db8d
hex8784709

142100233 has 32 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 119064000.

The previous prime is 142100227. The next prime is 142100281. The reversal of 142100233 is 332001241.

It is a happy number.

It is not a de Polignac number, because 142100233 - 221 = 140003081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142100333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406883 + ... + 1406983.

It is an arithmetic number, because the mean of its divisors is an integer number (5243616).

Almost surely, 2142100233 is an apocalyptic number.

It is an amenable number.

142100233 is a deficient number, since it is larger than the sum of its proper divisors (25695479).

142100233 is a wasteful number, since it uses less digits than its factorization.

142100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142100233 is about 11920.5802291667. The cubic root of 142100233 is about 521.8330683223.

Adding to 142100233 its reverse (332001241), we get a palindrome (474101474).

The spelling of 142100233 in words is "one hundred forty-two million, one hundred thousand, two hundred thirty-three".

Divisors: 1 11 23 67 83 101 253 737 913 1111 1541 1909 2323 5561 6767 8383 16951 20999 25553 61171 74437 92213 127903 155641 192809 561661 1406933 1712051 2120899 6178271 12918203 142100233