Base | Representation |
---|---|
bin | 111111111011101… |
… | …1111110001010010 |
3 | 12112111200012220201 |
4 | 1333313133301102 |
5 | 13343141120412 |
6 | 552512125414 |
7 | 104106235150 |
oct | 17767376122 |
9 | 5474605821 |
10 | 2145254482 |
11 | a00a38498 |
12 | 4ba53686a |
13 | 2825a4267 |
14 | 164caa3d0 |
15 | c8505e57 |
hex | 7fddfc52 |
2145254482 has 16 divisors (see below), whose sum is σ = 3837474432. Its totient is φ = 879420960.
The previous prime is 2145254471. The next prime is 2145254483. The reversal of 2145254482 is 2844525412.
It is not an unprimeable number, because it can be changed into a prime (2145254483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330819 + ... + 3331462.
It is an arithmetic number, because the mean of its divisors is an integer number (239842152).
Almost surely, 22145254482 is an apocalyptic number.
2145254482 is a deficient number, since it is larger than the sum of its proper divisors (1692219950).
2145254482 is a wasteful number, since it uses less digits than its factorization.
2145254482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6662313.
The product of its digits is 102400, while the sum is 37.
The square root of 2145254482 is about 46316.8919725838. The cubic root of 2145254482 is about 1289.7125898572.
Adding to 2145254482 its reverse (2844525412), we get a palindrome (4989779894).
The spelling of 2145254482 in words is "two billion, one hundred forty-five million, two hundred fifty-four thousand, four hundred eighty-two".
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