Base | Representation |
---|---|
bin | 11111111110100… |
… | …00000100010010 |
3 | 200200201221220022 |
4 | 33333100010102 |
5 | 1022132122442 |
6 | 42341143442 |
7 | 6434665154 |
oct | 1777200422 |
9 | 620657808 |
10 | 268239122 |
11 | 128461028 |
12 | 759bab82 |
13 | 4375a498 |
14 | 278a6ad4 |
15 | 188383d2 |
hex | ffd0112 |
268239122 has 18 divisors (see below), whose sum is σ = 414852543. Its totient is φ = 130077792.
The previous prime is 268239121. The next prime is 268239149. The reversal of 268239122 is 221932862.
268239122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 69739201 + 198499921 = 8351^2 + 14089^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=11581.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (268239121) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 856838 + ... + 857150.
Almost surely, 2268239122 is an apocalyptic number.
268239122 is a deficient number, since it is larger than the sum of its proper divisors (146613421).
268239122 is an frugal number, since it uses more digits than its factorization.
268239122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702 (or 352 counting only the distinct ones).
The product of its digits is 20736, while the sum is 35.
The square root of 268239122 is about 16378.0072658428. The cubic root of 268239122 is about 644.9222685406.
The spelling of 268239122 in words is "two hundred sixty-eight million, two hundred thirty-nine thousand, one hundred twenty-two".
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