Base | Representation |
---|---|
bin | 10000111011111… |
… | …11111100111110 |
3 | 100220100111122220 |
4 | 20131333330332 |
5 | 242333104404 |
6 | 22033150210 |
7 | 3343450545 |
oct | 1035777476 |
9 | 326314586 |
10 | 142081854 |
11 | 73224222 |
12 | 3b6bb366 |
13 | 23588b05 |
14 | 14c2715c |
15 | c7184d9 |
hex | 877ff3e |
142081854 has 8 divisors (see below), whose sum is σ = 284163720. Its totient is φ = 47360616.
The previous prime is 142081843. The next prime is 142081873. The reversal of 142081854 is 458180241.
142081854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
142081854 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11840149 + ... + 11840160.
It is an arithmetic number, because the mean of its divisors is an integer number (35520465).
Almost surely, 2142081854 is an apocalyptic number.
142081854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142081854 is a wasteful number, since it uses less digits than its factorization.
142081854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23680314.
The product of its (nonzero) digits is 10240, while the sum is 33.
The square root of 142081854 is about 11919.8093105553. The cubic root of 142081854 is about 521.8105696881.
The spelling of 142081854 in words is "one hundred forty-two million, eighty-one thousand, eight hundred fifty-four".
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