Base | Representation |
---|---|
bin | 1110100010100… |
… | …00110010001000 |
3 | 22111111111111022 |
4 | 13101100302020 |
5 | 222210400304 |
6 | 20034052012 |
7 | 3010456100 |
oct | 721206210 |
9 | 274444438 |
10 | 121965704 |
11 | 62934703 |
12 | 34a1a008 |
13 | 1c364873 |
14 | 122ac200 |
15 | aa92ebe |
hex | 7450c88 |
121965704 has 24 divisors (see below), whose sum is σ = 266022990. Its totient is φ = 52270848.
The previous prime is 121965703. The next prime is 121965709. The reversal of 121965704 is 407569121.
It can be written as a sum of positive squares in only one way, i.e., 108201604 + 13764100 = 10402^2 + 3710^2 .
It is not an unprimeable number, because it can be changed into a prime (121965703) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155177 + ... + 155960.
Almost surely, 2121965704 is an apocalyptic number.
121965704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
121965704 is an abundant number, since it is smaller than the sum of its proper divisors (144057286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121965704 is a wasteful number, since it uses less digits than its factorization.
121965704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311157 (or 311146 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 121965704 is about 11043.8084010906. The cubic root of 121965704 is about 495.9210874285.
The spelling of 121965704 in words is "one hundred twenty-one million, nine hundred sixty-five thousand, seven hundred four".
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