Base | Representation |
---|---|
bin | 1000011001101010… |
… | …0111001011100001 |
3 | 12211011102010102100 |
4 | 2012122213023201 |
5 | 14104302420134 |
6 | 1011435041013 |
7 | 106612142055 |
oct | 20632471341 |
9 | 5734363370 |
10 | 2255123169 |
11 | a57a5a462 |
12 | 52b2a0169 |
13 | 29c291910 |
14 | 175709c65 |
15 | d2ea9999 |
hex | 866a72e1 |
2255123169 has 24 divisors (see below), whose sum is σ = 3509716392. Its totient is φ = 1387077120.
The previous prime is 2255123153. The next prime is 2255123231. The reversal of 2255123169 is 9613215522.
It is a happy number.
2255123169 is a `hidden beast` number, since 22 + 551 + 23 + 1 + 69 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 119574225 + 2135548944 = 10935^2 + 46212^2 .
It is not a de Polignac number, because 2255123169 - 24 = 2255123153 is a prime.
It is a super-2 number, since 2×22551231692 = 10171161014721205122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2255123149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331369 + ... + 338105.
It is an arithmetic number, because the mean of its divisors is an integer number (146238183).
Almost surely, 22255123169 is an apocalyptic number.
It is an amenable number.
2255123169 is a deficient number, since it is larger than the sum of its proper divisors (1254593223).
2255123169 is a wasteful number, since it uses less digits than its factorization.
2255123169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9617 (or 9614 counting only the distinct ones).
The product of its digits is 32400, while the sum is 36.
The square root of 2255123169 is about 47488.1371397110. The cubic root of 2255123169 is about 1311.3644988367.
The spelling of 2255123169 in words is "two billion, two hundred fifty-five million, one hundred twenty-three thousand, one hundred sixty-nine".
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