Base | Representation |
---|---|
bin | 10011010100110010… |
… | …111110000000100111 |
3 | 1222120002210020001201 |
4 | 103110302332000213 |
5 | 314444000001132 |
6 | 13311000303331 |
7 | 1333130043211 |
oct | 232462760047 |
9 | 58502706051 |
10 | 20750000167 |
11 | 888891a276 |
12 | 4031171b47 |
13 | 1c58ba2510 |
14 | 100bb575b1 |
15 | 816a182e7 |
hex | 4d4cbe027 |
20750000167 has 4 divisors (see below), whose sum is σ = 22346154040. Its totient is φ = 19153846296.
The previous prime is 20750000113. The next prime is 20750000171. The reversal of 20750000167 is 76100005702.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20750000167 - 231 = 18602516519 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20750007167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798076917 + ... + 798076942.
It is an arithmetic number, because the mean of its divisors is an integer number (5586538510).
Almost surely, 220750000167 is an apocalyptic number.
20750000167 is the 83167-th hex number.
20750000167 is a deficient number, since it is larger than the sum of its proper divisors (1596153873).
20750000167 is a wasteful number, since it uses less digits than its factorization.
20750000167 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1596153872.
The product of its (nonzero) digits is 2940, while the sum is 28.
Adding to 20750000167 its reverse (76100005702), we get a palindrome (96850005869).
The spelling of 20750000167 in words is "twenty billion, seven hundred fifty million, one hundred sixty-seven", and thus it is an aban number.
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