Base | Representation |
---|---|
bin | 111111111011100… |
… | …0010001001100000 |
3 | 12112111110001111000 |
4 | 1333313002021200 |
5 | 13343123230102 |
6 | 552505352000 |
7 | 104105221341 |
oct | 17767021140 |
9 | 5474401430 |
10 | 2145133152 |
11 | a00965318 |
12 | 4ba498600 |
13 | 282560c76 |
14 | 164c780c8 |
15 | c84d001c |
hex | 7fdc2260 |
2145133152 has 48 divisors (see below), whose sum is σ = 6256640880. Its totient is φ = 715044096.
The previous prime is 2145133147. The next prime is 2145133169. The reversal of 2145133152 is 2513315412.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 1240533 + ... + 1242260.
It is an arithmetic number, because the mean of its divisors is an integer number (130346685).
Almost surely, 22145133152 is an apocalyptic number.
It is an amenable number.
2145133152 is an abundant number, since it is smaller than the sum of its proper divisors (4111507728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145133152 is a wasteful number, since it uses less digits than its factorization.
2145133152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482812 (or 2482798 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 2145133152 is about 46315.5821727418. The cubic root of 2145133152 is about 1289.6882751383.
Adding to 2145133152 its reverse (2513315412), we get a palindrome (4658448564).
The spelling of 2145133152 in words is "two billion, one hundred forty-five million, one hundred thirty-three thousand, one hundred fifty-two".
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