Base | Representation |
---|---|
bin | 10100000011101… |
… | …00111010110101 |
3 | 102201121001001210 |
4 | 22001310322311 |
5 | 321033013221 |
6 | 24410112033 |
7 | 4112052606 |
oct | 1201647265 |
9 | 381531053 |
10 | 168251061 |
11 | 86a78570 |
12 | 4841b619 |
13 | 28b1c254 |
14 | 184b9dad |
15 | eb87276 |
hex | a074eb5 |
168251061 has 16 divisors (see below), whose sum is σ = 257610240. Its totient is φ = 96603120.
The previous prime is 168251051. The next prime is 168251063. The reversal of 168251061 is 160152861.
168251061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 168251061 - 29 = 168250549 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168251063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133545 + ... + 134798.
It is an arithmetic number, because the mean of its divisors is an integer number (16100640).
Almost surely, 2168251061 is an apocalyptic number.
168251061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
168251061 is a deficient number, since it is larger than the sum of its proper divisors (89359179).
168251061 is a wasteful number, since it uses less digits than its factorization.
168251061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268376.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 168251061 is about 12971.1626695528. The cubic root of 168251061 is about 552.0595628596.
The spelling of 168251061 in words is "one hundred sixty-eight million, two hundred fifty-one thousand, sixty-one".
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