Base | Representation |
---|---|
bin | 111111111011110… |
… | …1101011001011110 |
3 | 12112111210001111010 |
4 | 1333313231121132 |
5 | 13343144412202 |
6 | 552513240050 |
7 | 104106556662 |
oct | 17767553136 |
9 | 5474701433 |
10 | 2145310302 |
11 | a00a76423 |
12 | 4ba563026 |
13 | 2825c37a5 |
14 | 164cc28a2 |
15 | c851776c |
hex | 7fded65e |
2145310302 has 16 divisors (see below), whose sum is σ = 4291080192. Its totient is φ = 715026840.
The previous prime is 2145310261. The next prime is 2145310337. The reversal of 2145310302 is 2030135412.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85677 + ... + 107847.
It is an arithmetic number, because the mean of its divisors is an integer number (268192512).
Almost surely, 22145310302 is an apocalyptic number.
2145310302 is an abundant number, since it is smaller than the sum of its proper divisors (2145769890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145310302 is a wasteful number, since it uses less digits than its factorization.
2145310302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38303.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2145310302 is about 46317.4945565928. The cubic root of 2145310302 is about 1289.7237759632.
Adding to 2145310302 its reverse (2030135412), we get a palindrome (4175445714).
The spelling of 2145310302 in words is "two billion, one hundred forty-five million, three hundred ten thousand, three hundred two".
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