Base | Representation |
---|---|
bin | 100000000101100101000… |
… | …110000110110011110101 |
3 | 21210210112020110111200201 |
4 | 200011211012012303311 |
5 | 242111332131304141 |
6 | 4404545233240501 |
7 | 315210211330621 |
oct | 40054506066365 |
9 | 7723466414621 |
10 | 2205014322421 |
11 | 7801611116a9 |
12 | 2b741aa03131 |
13 | 12cc16688221 |
14 | 78a1a8c0181 |
15 | 3c556787031 |
hex | 20165186cf5 |
2205014322421 has 4 divisors (see below), whose sum is σ = 2256293725312. Its totient is φ = 2153734919532.
The previous prime is 2205014322389. The next prime is 2205014322451. The reversal of 2205014322421 is 1242234105022.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2205014322421 - 25 = 2205014322389 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2205014322421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2205014322451) 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, 25639701381 + ... + 25639701466.
It is an arithmetic number, because the mean of its divisors is an integer number (564073431328).
Almost surely, 22205014322421 is an apocalyptic number.
It is an amenable number.
2205014322421 is a deficient number, since it is larger than the sum of its proper divisors (51279402891).
2205014322421 is an equidigital number, since it uses as much as digits as its factorization.
2205014322421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51279402890.
The product of its (nonzero) digits is 7680, while the sum is 28.
Adding to 2205014322421 its reverse (1242234105022), we get a palindrome (3447248427443).
The spelling of 2205014322421 in words is "two trillion, two hundred five billion, fourteen million, three hundred twenty-two thousand, four hundred twenty-one".
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