Base | Representation |
---|---|
bin | 10000111011100… |
… | …00000010110000 |
3 | 100220020012021100 |
4 | 20131300002300 |
5 | 242324013223 |
6 | 22031524400 |
7 | 3343056552 |
oct | 1035600260 |
9 | 326205240 |
10 | 142016688 |
11 | 7318a270 |
12 | 3b689700 |
13 | 23565258 |
14 | 14c0b4d2 |
15 | c704043 |
hex | 87700b0 |
142016688 has 60 divisors (see below), whose sum is σ = 433586088. Its totient is φ = 43034880.
The previous prime is 142016681. The next prime is 142016689. The reversal of 142016688 is 886610241.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (142016681) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43245 + ... + 46412.
Almost surely, 2142016688 is an apocalyptic number.
142016688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
142016688 is an abundant number, since it is smaller than the sum of its proper divisors (291569400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142016688 is a wasteful number, since it uses less digits than its factorization.
142016688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89682 (or 89673 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 142016688 is about 11917.0754801671. The cubic root of 142016688 is about 521.7307811562.
The spelling of 142016688 in words is "one hundred forty-two million, sixteen thousand, six hundred eighty-eight".
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