Base | Representation |
---|---|
bin | 11011100011101100011111… |
… | …101001101000010000001101 |
3 | 120220010121221020112101110211 |
4 | 123203230133221220100031 |
5 | 111341221014030213201 |
6 | 1105434335333402421 |
7 | 34346266160401162 |
oct | 3343543751502015 |
9 | 526117836471424 |
10 | 121200213132301 |
11 | 356887a36a27a6 |
12 | 117154b6199411 |
13 | 5282191c19164 |
14 | 21d019b9d8069 |
15 | e02a67de1651 |
hex | 6e3b1fa6840d |
121200213132301 has 4 divisors (see below), whose sum is σ = 121200599974204. Its totient is φ = 121199826290400.
The previous prime is 121200213132277. The next prime is 121200213132307. The reversal of 121200213132301 is 103231312002121.
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 63862394046025 + 57337819086276 = 7991395^2 + 7572174^2 .
It is a cyclic number.
It is not a de Polignac number, because 121200213132301 - 217 = 121200213001229 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121200213132307) 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, 192950610 + ... + 193577731.
It is an arithmetic number, because the mean of its divisors is an integer number (30300149993551).
Almost surely, 2121200213132301 is an apocalyptic number.
It is an amenable number.
121200213132301 is a deficient number, since it is larger than the sum of its proper divisors (386841903).
121200213132301 is an equidigital number, since it uses as much as digits as its factorization.
121200213132301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386841902.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 121200213132301 its reverse (103231312002121), we get a palindrome (224431525134422).
The spelling of 121200213132301 in words is "one hundred twenty-one trillion, two hundred billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred one".
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