Base | Representation |
---|---|
bin | 1000001101110001… |
… | …0010110000011011 |
3 | 12200200112101211000 |
4 | 2003130102300123 |
5 | 14004014412110 |
6 | 1002453440043 |
7 | 105435110160 |
oct | 20334226033 |
9 | 5620471730 |
10 | 2205232155 |
11 | a31883615 |
12 | 516640023 |
13 | 291b43cc9 |
14 | 16cc40067 |
15 | cd9021c0 |
hex | 83712c1b |
2205232155 has 32 divisors (see below), whose sum is σ = 4480473600. Its totient is φ = 1008105696.
The previous prime is 2205232147. The next prime is 2205232187. The reversal of 2205232155 is 5512325022.
It is not a de Polignac number, because 2205232155 - 23 = 2205232147 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165845 + ... + 1167734.
It is an arithmetic number, because the mean of its divisors is an integer number (140014800).
Almost surely, 22205232155 is an apocalyptic number.
2205232155 is an abundant number, since it is smaller than the sum of its proper divisors (2275241445).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2205232155 is a wasteful number, since it uses less digits than its factorization.
2205232155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2333600 (or 2333594 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2205232155 is about 46959.8994355823. The cubic root of 2205232155 is about 1301.6216754228.
Adding to 2205232155 its reverse (5512325022), we get a palindrome (7717557177).
The spelling of 2205232155 in words is "two billion, two hundred five million, two hundred thirty-two thousand, one hundred fifty-five".
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