Base | Representation |
---|---|
bin | 1000001111111011… |
… | …1100010010001001 |
3 | 12201022121212100001 |
4 | 2003332330102021 |
5 | 14013331041040 |
6 | 1003420243001 |
7 | 105605240200 |
oct | 20376742211 |
9 | 5638555301 |
10 | 2214315145 |
11 | a36a17819 |
12 | 5196a0461 |
13 | 2939a4363 |
14 | 170126237 |
15 | ce5e859a |
hex | 83fbc489 |
2214315145 has 12 divisors (see below), whose sum is σ = 3091003524. Its totient is φ = 1518387360.
The previous prime is 2214315121. The next prime is 2214315199. The reversal of 2214315145 is 5415134122.
2214315145 is nontrivially palindromic in base 6.
2214315145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 244109376 + 1970205769 = 15624^2 + 44387^2 .
It is not a de Polignac number, because 2214315145 - 211 = 2214313097 is a prime.
It is a super-2 number, since 2×22143151452 = 9806383122752742050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4518766 + ... + 4519255.
It is an arithmetic number, because the mean of its divisors is an integer number (257583627).
Almost surely, 22214315145 is an apocalyptic number.
It is an amenable number.
2214315145 is a deficient number, since it is larger than the sum of its proper divisors (876688379).
2214315145 is an equidigital number, since it uses as much as digits as its factorization.
2214315145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9038040 (or 9038033 counting only the distinct ones).
The product of its digits is 4800, while the sum is 28.
The square root of 2214315145 is about 47056.5101234675. The cubic root of 2214315145 is about 1303.4062829781.
Adding to 2214315145 its reverse (5415134122), we get a palindrome (7629449267).
It can be divided in two parts, 2214315 and 145, that added together give a triangular number (2214460 = T2104).
The spelling of 2214315145 in words is "two billion, two hundred fourteen million, three hundred fifteen thousand, one hundred forty-five".
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