Base | Representation |
---|---|
bin | 1001110010101100011… |
… | …1010011110100011010 |
3 | 121002020000220011001120 |
4 | 2130223013103310122 |
5 | 10224012111423033 |
6 | 205141001430110 |
7 | 15103552265562 |
oct | 2345307236432 |
9 | 532200804046 |
10 | 168227061018 |
11 | 65387876945 |
12 | 2872aa9b336 |
13 | 12b2c850373 |
14 | 81dc405da2 |
15 | 4598d8a1b3 |
hex | 272b1d3d1a |
168227061018 has 8 divisors (see below), whose sum is σ = 336454122048. Its totient is φ = 56075687004.
The previous prime is 168227061001. The next prime is 168227061043. The reversal of 168227061018 is 810160722861.
It is a sphenic number, since it is the product of 3 distinct primes.
168227061018 is an admirable 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, 14018921746 + ... + 14018921757.
It is an arithmetic number, because the mean of its divisors is an integer number (42056765256).
Almost surely, 2168227061018 is an apocalyptic number.
168227061018 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.
168227061018 is a wasteful number, since it uses less digits than its factorization.
168227061018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28037843508.
The product of its (nonzero) digits is 64512, while the sum is 42.
Adding to 168227061018 its reverse (810160722861), we get a palindrome (978387783879).
The spelling of 168227061018 in words is "one hundred sixty-eight billion, two hundred twenty-seven million, sixty-one thousand, eighteen".
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