Base | Representation |
---|---|
bin | 110001110100… |
… | …0111111101001 |
3 | 1211011001010200 |
4 | 1203220333221 |
5 | 23141321134 |
6 | 2331502413 |
7 | 435006045 |
oct | 143507751 |
9 | 54131120 |
10 | 26120169 |
11 | 13820519 |
12 | 88b7a09 |
13 | 554702a |
14 | 367d025 |
15 | 245e499 |
hex | 18e8fe9 |
26120169 has 12 divisors (see below), whose sum is σ = 37872900. Its totient is φ = 17347104.
The previous prime is 26120161. The next prime is 26120173. The reversal of 26120169 is 96102162.
It can be written as a sum of positive squares in 2 ways, for example, as 5978025 + 20142144 = 2445^2 + 4488^2 .
It is not a de Polignac number, because 26120169 - 23 = 26120161 is a prime.
It is a super-2 number, since 2×261201692 = 1364526457177122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (26120161) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2974 + ... + 7815.
It is an arithmetic number, because the mean of its divisors is an integer number (3156075).
Almost surely, 226120169 is an apocalyptic number.
It is an amenable number.
26120169 is a deficient number, since it is larger than the sum of its proper divisors (11752731).
26120169 is a wasteful number, since it uses less digits than its factorization.
26120169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11064 (or 11061 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 26120169 is about 5110.7894693482. The cubic root of 26120169 is about 296.7053159819.
The spelling of 26120169 in words is "twenty-six million, one hundred twenty thousand, one hundred sixty-nine".
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