Base | Representation |
---|---|
bin | 1101011110011… |
… | …10001011011110 |
3 | 21212201010200000 |
4 | 12233032023132 |
5 | 212414322032 |
6 | 15114515130 |
7 | 2541561633 |
oct | 657161336 |
9 | 255633600 |
10 | 113042142 |
11 | 5889a264 |
12 | 31a35aa6 |
13 | 1a55bc55 |
14 | 1102818a |
15 | 9dcde7c |
hex | 6bce2de |
113042142 has 24 divisors (see below), whose sum is σ = 253997016. Its totient is φ = 37680552.
The previous prime is 113042113. The next prime is 113042143. The reversal of 113042142 is 241240311.
It is a super-3 number, since 3×1130421423 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113042143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115813 + ... + 116784.
It is an arithmetic number, because the mean of its divisors is an integer number (10583209).
Almost surely, 2113042142 is an apocalyptic number.
113042142 is an abundant number, since it is smaller than the sum of its proper divisors (140954874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
113042142 is an equidigital number, since it uses as much as digits as its factorization.
113042142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232614 (or 232602 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 113042142 is about 10632.1278209021. The cubic root of 113042142 is about 483.5189053043.
Adding to 113042142 its reverse (241240311), we get a palindrome (354282453).
The spelling of 113042142 in words is "one hundred thirteen million, forty-two thousand, one hundred forty-two".
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