Base | Representation |
---|---|
bin | 100000000101101010011… |
… | …101011101100111000101 |
3 | 21210210202111211102112101 |
4 | 200011222131131213011 |
5 | 242112023202044310 |
6 | 4405002210352101 |
7 | 315212353361116 |
oct | 40055235354705 |
9 | 7723674742471 |
10 | 2205104331205 |
11 | 7801a79a9626 |
12 | 2b7444b8b631 |
13 | 12cc2c211169 |
14 | 78a2883020d |
15 | 3c55e61643a |
hex | 2016a75d9c5 |
2205104331205 has 16 divisors (see below), whose sum is σ = 2785995414720. Its totient is φ = 1670876684928.
The previous prime is 2205104331203. The next prime is 2205104331259. The reversal of 2205104331205 is 5021334015022.
It is a cyclic number.
It is not a de Polignac number, because 2205104331205 - 21 = 2205104331203 is a prime.
It is a super-2 number, since 2×22051043312052 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2205104331203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058552 + ... + 2940721.
It is an arithmetic number, because the mean of its divisors is an integer number (174124713420).
Almost surely, 22205104331205 is an apocalyptic number.
It is an amenable number.
2205104331205 is a deficient number, since it is larger than the sum of its proper divisors (580891083515).
2205104331205 is a wasteful number, since it uses less digits than its factorization.
2205104331205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5003940.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 2205104331205 its reverse (5021334015022), we get a palindrome (7226438346227).
The spelling of 2205104331205 in words is "two trillion, two hundred five billion, one hundred four million, three hundred thirty-one thousand, two hundred five".
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