Base | Representation |
---|---|
bin | 1110011110000… |
… | …00100010100101 |
3 | 22110101111001010 |
4 | 13033000202211 |
5 | 222032444020 |
6 | 20013252433 |
7 | 3002445432 |
oct | 717004245 |
9 | 273344033 |
10 | 121374885 |
11 | 62570825 |
12 | 34794119 |
13 | 1c1b8978 |
14 | 12196b89 |
15 | a9c7de0 |
hex | 73c08a5 |
121374885 has 16 divisors (see below), whose sum is σ = 194428800. Its totient is φ = 64656960.
The previous prime is 121374817. The next prime is 121374901. The reversal of 121374885 is 588473121.
It is not a de Polignac number, because 121374885 - 211 = 121372837 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9816 + ... + 18414.
It is an arithmetic number, because the mean of its divisors is an integer number (12151800).
Almost surely, 2121374885 is an apocalyptic number.
121374885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121374885 is a deficient number, since it is larger than the sum of its proper divisors (73053915).
121374885 is an equidigital number, since it uses as much as digits as its factorization.
121374885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9548.
The product of its digits is 53760, while the sum is 39.
The square root of 121374885 is about 11017.0270490727. The cubic root of 121374885 is about 495.1190204564.
The spelling of 121374885 in words is "one hundred twenty-one million, three hundred seventy-four thousand, eight hundred eighty-five".
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