Base | Representation |
---|---|
bin | 10110101010000… |
… | …11100001110111 |
3 | 111020122111110020 |
4 | 23111003201313 |
5 | 342124200410 |
6 | 30505500223 |
7 | 4465362414 |
oct | 1325034167 |
9 | 436574406 |
10 | 190068855 |
11 | 9831a5a9 |
12 | 537a1673 |
13 | 304baba2 |
14 | 1b35910b |
15 | 11a46a70 |
hex | b543877 |
190068855 has 16 divisors (see below), whose sum is σ = 305443680. Its totient is φ = 100925568.
The previous prime is 190068797. The next prime is 190068899. The reversal of 190068855 is 558860091.
It is not a de Polignac number, because 190068855 - 210 = 190067831 is a prime.
It is a super-2 number, since 2×1900688552 = 72252339282022050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24232 + ... + 31101.
It is an arithmetic number, because the mean of its divisors is an integer number (19090230).
Almost surely, 2190068855 is an apocalyptic number.
190068855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
190068855 is a deficient number, since it is larger than the sum of its proper divisors (115374825).
190068855 is a wasteful number, since it uses less digits than its factorization.
190068855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55570.
The product of its (nonzero) digits is 86400, while the sum is 42.
The square root of 190068855 is about 13786.5461592090. The cubic root of 190068855 is about 574.9591451754.
The spelling of 190068855 in words is "one hundred ninety million, sixty-eight thousand, eight hundred fifty-five".
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