Base | Representation |
---|---|
bin | 111110000111010… |
… | …101111011001101 |
3 | 2200121220210012100 |
4 | 332013111323031 |
5 | 4113240042310 |
6 | 251224025313 |
7 | 34552544001 |
oct | 7607257315 |
9 | 2617823170 |
10 | 1042112205 |
11 | 495277362 |
12 | 251002239 |
13 | 137b93254 |
14 | 9c590701 |
15 | 6174dec0 |
hex | 3e1d5ecd |
1042112205 has 24 divisors (see below), whose sum is σ = 1820126880. Its totient is φ = 551547360.
The previous prime is 1042112143. The next prime is 1042112219. The reversal of 1042112205 is 5022112401.
It is not a de Polignac number, because 1042112205 - 27 = 1042112077 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82495 + ... + 94284.
It is an arithmetic number, because the mean of its divisors is an integer number (75838620).
Almost surely, 21042112205 is an apocalyptic number.
1042112205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1042112205 is a deficient number, since it is larger than the sum of its proper divisors (778014675).
1042112205 is a wasteful number, since it uses less digits than its factorization.
1042112205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176921 (or 176918 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 1042112205 is about 32281.7627306812. The cubic root of 1042112205 is about 1013.8448375493.
Adding to 1042112205 its reverse (5022112401), we get a palindrome (6064224606).
The spelling of 1042112205 in words is "one billion, forty-two million, one hundred twelve thousand, two hundred five".
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