Base | Representation |
---|---|
bin | 10000111010010100… |
… | …00110000011111001 |
3 | 212102201222002102012 |
4 | 20131022012003321 |
5 | 122043223320441 |
6 | 4100525015305 |
7 | 440663150651 |
oct | 103512060371 |
9 | 25381862365 |
10 | 9079120121 |
11 | 3939a21365 |
12 | 19146b4535 |
13 | b18c93036 |
14 | 621b2d361 |
15 | 3821099eb |
hex | 21d2860f9 |
9079120121 has 4 divisors (see below), whose sum is σ = 9079610100. Its totient is φ = 9078630144.
The previous prime is 9079120117. The next prime is 9079120123. The reversal of 9079120121 is 1210219709.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4908543721 + 4170576400 = 70061^2 + 64580^2 .
It is a cyclic number.
It is not a de Polignac number, because 9079120121 - 22 = 9079120117 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9079120123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216056 + ... + 254633.
It is an arithmetic number, because the mean of its divisors is an integer number (2269902525).
Almost surely, 29079120121 is an apocalyptic number.
It is an amenable number.
9079120121 is a deficient number, since it is larger than the sum of its proper divisors (489979).
9079120121 is a wasteful number, since it uses less digits than its factorization.
9079120121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489978.
The product of its (nonzero) digits is 2268, while the sum is 32.
The square root of 9079120121 is about 95284.4169893483. The cubic root of 9079120121 is about 2086.1614732243.
The spelling of 9079120121 in words is "nine billion, seventy-nine million, one hundred twenty thousand, one hundred twenty-one".
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