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110202142 = 255101071
BaseRepresentation
bin1101001000110…
…00110100011110
321200100211220211
412210120310132
5211202432032
614534003034
72505463021
oct644306436
9250324824
10110202142
115722a556
1230aa647a
1319aa638b
14108c91b8
159a1c747
hex6918d1e

110202142 has 4 divisors (see below), whose sum is σ = 165303216. Its totient is φ = 55101070.

The previous prime is 110202139. The next prime is 110202149. The reversal of 110202142 is 241202011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241202011 = 631738183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550534 + ... + 27550537.

It is an arithmetic number, because the mean of its divisors is an integer number (41325804).

Almost surely, 2110202142 is an apocalyptic number.

110202142 is a deficient number, since it is larger than the sum of its proper divisors (55101074).

110202142 is an equidigital number, since it uses as much as digits as its factorization.

110202142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55101073.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 110202142 is about 10497.7208002499. The cubic root of 110202142 is about 479.4353052556.

Adding to 110202142 its reverse (241202011), we get a palindrome (351404153).

The spelling of 110202142 in words is "one hundred ten million, two hundred two thousand, one hundred forty-two".

Divisors: 1 2 55101071 110202142