Base | Representation |
---|---|
bin | 1000010000001000… |
… | …0100001111000001 |
3 | 12201101011110210101 |
4 | 2010002010033001 |
5 | 14014033243040 |
6 | 1003450002401 |
7 | 105615221020 |
oct | 20402041701 |
9 | 5641143711 |
10 | 2215134145 |
11 | a37427084 |
12 | 519a16401 |
13 | 293c00083 |
14 | 17029a8b7 |
15 | ce70b09a |
hex | 840843c1 |
2215134145 has 8 divisors (see below), whose sum is σ = 3037898304. Its totient is φ = 1518949104.
The previous prime is 2215134139. The next prime is 2215134161. The reversal of 2215134145 is 5414315122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2215134145 - 211 = 2215132097 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31644739 + ... + 31644808.
It is an arithmetic number, because the mean of its divisors is an integer number (379737288).
Almost surely, 22215134145 is an apocalyptic number.
It is an amenable number.
2215134145 is a deficient number, since it is larger than the sum of its proper divisors (822764159).
2215134145 is an equidigital number, since it uses as much as digits as its factorization.
2215134145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63289559.
The product of its digits is 4800, while the sum is 28.
The square root of 2215134145 is about 47065.2116217488. The cubic root of 2215134145 is about 1303.5669584155.
Adding to 2215134145 its reverse (5414315122), we get a palindrome (7629449267).
The spelling of 2215134145 in words is "two billion, two hundred fifteen million, one hundred thirty-four thousand, one hundred forty-five".
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