Base | Representation |
---|---|
bin | 11111111101100… |
… | …11011111111111 |
3 | 200200112000101120 |
4 | 33332303133333 |
5 | 1022114401421 |
6 | 42334442023 |
7 | 6434000055 |
oct | 1776633777 |
9 | 620460346 |
10 | 268122111 |
11 | 128391124 |
12 | 75963313 |
13 | 4371914a |
14 | 278761d5 |
15 | 188138c6 |
hex | ffb37ff |
268122111 has 8 divisors (see below), whose sum is σ = 357624240. Its totient is φ = 178684032.
The previous prime is 268122089. The next prime is 268122133. The reversal of 268122111 is 111221862.
It is an interprime number because it is at equal distance from previous prime (268122089) and next prime (268122133).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 268122111 - 29 = 268121599 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268122161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5200 + ... + 23733.
It is an arithmetic number, because the mean of its divisors is an integer number (44703030).
Almost surely, 2268122111 is an apocalyptic number.
268122111 is a deficient number, since it is larger than the sum of its proper divisors (89502129).
268122111 is a wasteful number, since it uses less digits than its factorization.
268122111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32025.
The product of its digits is 384, while the sum is 24.
The square root of 268122111 is about 16374.4346772644. The cubic root of 268122111 is about 644.8284791206.
Adding to 268122111 its reverse (111221862), we get a palindrome (379343973).
The spelling of 268122111 in words is "two hundred sixty-eight million, one hundred twenty-two thousand, one hundred eleven".
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