Base | Representation |
---|---|
bin | 1110011011101… |
… | …00100111011001 |
3 | 22102210200110001 |
4 | 13031310213121 |
5 | 221443021042 |
6 | 20002453001 |
7 | 3000011653 |
oct | 715644731 |
9 | 272720401 |
10 | 121063897 |
11 | 62379109 |
12 | 34664161 |
13 | 1c10a256 |
14 | 121156d3 |
15 | a965bb7 |
hex | 73749d9 |
121063897 has 12 divisors (see below), whose sum is σ = 125832960. Its totient is φ = 116469480.
The previous prime is 121063879. The next prime is 121063907. The reversal of 121063897 is 798360121.
It is a de Polignac number, because none of the positive numbers 2k-121063897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121063807) 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, 252504 + ... + 252982.
It is an arithmetic number, because the mean of its divisors is an integer number (10486080).
Almost surely, 2121063897 is an apocalyptic number.
It is an amenable number.
121063897 is a deficient number, since it is larger than the sum of its proper divisors (4769063).
121063897 is an equidigital number, since it uses as much as digits as its factorization.
121063897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804 (or 773 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 121063897 is about 11002.9040257561. The cubic root of 121063897 is about 494.6957924061.
The spelling of 121063897 in words is "one hundred twenty-one million, sixty-three thousand, eight hundred ninety-seven".
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