Base | Representation |
---|---|
bin | 1000010010011111110… |
… | …0101001010111000000 |
3 | 111121120101111100102221 |
4 | 2010213330221113000 |
5 | 4313120424131430 |
6 | 145230342420424 |
7 | 13200623064241 |
oct | 2044774512700 |
9 | 447511440387 |
10 | 142404130240 |
11 | 55436467839 |
12 | 23722a31714 |
13 | 10575995878 |
14 | 6c6ca44cc8 |
15 | 3a86d1157a |
hex | 2127f295c0 |
142404130240 has 28 divisors (see below), whose sum is σ = 339099835896. Its totient is φ = 56961651968.
The previous prime is 142404130207. The next prime is 142404130247. The reversal of 142404130240 is 42031404241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142404130247) 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 3 ways as a sum of consecutive naturals, for example, 222506134 + ... + 222506773.
Almost surely, 2142404130240 is an apocalyptic number.
142404130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142404130240 is an abundant number, since it is smaller than the sum of its proper divisors (196695705656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142404130240 is an equidigital number, since it uses as much as digits as its factorization.
142404130240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445012924 (or 445012914 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 142404130240 its reverse (42031404241), we get a palindrome (184435534481).
The spelling of 142404130240 in words is "one hundred forty-two billion, four hundred four million, one hundred thirty thousand, two hundred forty".
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