Base | Representation |
---|---|
bin | 10100001000010… |
… | …11100011001001 |
3 | 102202202101101220 |
4 | 22010023203021 |
5 | 321212234131 |
6 | 24431232253 |
7 | 4120232436 |
oct | 1204134311 |
9 | 382671356 |
10 | 168868041 |
11 | 8735a071 |
12 | 48678689 |
13 | 28ca7024 |
14 | 185dab8d |
15 | ec59e96 |
hex | a10b8c9 |
168868041 has 4 divisors (see below), whose sum is σ = 225157392. Its totient is φ = 112578692.
The previous prime is 168868027. The next prime is 168868043. The reversal of 168868041 is 140868861.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 168868041 - 213 = 168859849 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 168867984 and 168868002.
It is not an unprimeable number, because it can be changed into a prime (168868043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28144671 + ... + 28144676.
It is an arithmetic number, because the mean of its divisors is an integer number (56289348).
Almost surely, 2168868041 is an apocalyptic number.
It is an amenable number.
168868041 is a deficient number, since it is larger than the sum of its proper divisors (56289351).
168868041 is an equidigital number, since it uses as much as digits as its factorization.
168868041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56289350.
The product of its (nonzero) digits is 73728, while the sum is 42.
The square root of 168868041 is about 12994.9236627231. The cubic root of 168868041 is about 552.7335441752.
The spelling of 168868041 in words is "one hundred sixty-eight million, eight hundred sixty-eight thousand, forty-one".
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