Base | Representation |
---|---|
bin | 1000010010010001000… |
… | …0001000111011100110 |
3 | 111121102001211111001201 |
4 | 2010210100020323212 |
5 | 4313004041201210 |
6 | 145220245513114 |
7 | 13166241103552 |
oct | 2044420107346 |
9 | 447361744051 |
10 | 142342131430 |
11 | 55404471154 |
12 | 2370611279a |
13 | 10565b98b95 |
14 | 6c64706862 |
15 | 3a8166653a |
hex | 2124408ee6 |
142342131430 has 32 divisors (see below), whose sum is σ = 258172745184. Its totient is φ = 56503028736.
The previous prime is 142342131377. The next prime is 142342131433. The reversal of 142342131430 is 34131243241.
It is a happy number.
It is a super-2 number, since 2×1423421314302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142342131433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032112 + ... + 1161868.
It is an arithmetic number, because the mean of its divisors is an integer number (8067898287).
Almost surely, 2142342131430 is an apocalyptic number.
142342131430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142342131430 is a deficient number, since it is larger than the sum of its proper divisors (115830613754).
142342131430 is a wasteful number, since it uses less digits than its factorization.
142342131430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130600.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 142342131430 its reverse (34131243241), we get a palindrome (176473374671).
The spelling of 142342131430 in words is "one hundred forty-two billion, three hundred forty-two million, one hundred thirty-one thousand, four hundred thirty".
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