Base | Representation |
---|---|
bin | 1000010010100100101… |
… | …0000101011101000000 |
3 | 111121121210200201000201 |
4 | 2010221022011131000 |
5 | 4313141123233100 |
6 | 145232345454544 |
7 | 13201260453340 |
oct | 2045112053500 |
9 | 447553621021 |
10 | 142424430400 |
11 | 5544697262a |
12 | 237297a1454 |
13 | 10579c527b5 |
14 | 6c7160ad20 |
15 | 3a889c136a |
hex | 2129285740 |
142424430400 has 84 divisors (see below), whose sum is σ = 400517876128. Its totient is φ = 48831229440.
The previous prime is 142424430371. The next prime is 142424430413. The reversal of 142424430400 is 4034424241.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 6347034 + ... + 6369433.
Almost surely, 2142424430400 is an apocalyptic number.
142424430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142424430400 is an abundant number, since it is smaller than the sum of its proper divisors (258093445728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142424430400 is a wasteful number, since it uses less digits than its factorization.
142424430400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12716496 (or 12716481 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 28.
Adding to 142424430400 its reverse (4034424241), we get a palindrome (146458854641).
The spelling of 142424430400 in words is "one hundred forty-two billion, four hundred twenty-four million, four hundred thirty thousand, four hundred".
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