Base | Representation |
---|---|
bin | 111111111001101… |
… | …1110010111010000 |
3 | 12112102200122122011 |
4 | 1333303132113100 |
5 | 13342403401034 |
6 | 552433352304 |
7 | 104064254242 |
oct | 17763362720 |
9 | 5472618564 |
10 | 2144200144 |
11 | a00388339 |
12 | 4ba108694 |
13 | 2822c53a8 |
14 | 164ab4092 |
15 | c8398864 |
hex | 7fcde5d0 |
2144200144 has 30 divisors (see below), whose sum is σ = 4302609350. Its totient is φ = 1035124608.
The previous prime is 2144200133. The next prime is 2144200153. The reversal of 2144200144 is 4410024412.
It can be written as a sum of positive squares in 3 ways, for example, as 751417744 + 1392782400 = 27412^2 + 37320^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66219 + ... + 93130.
Almost surely, 22144200144 is an apocalyptic number.
It is an amenable number.
2144200144 is an abundant number, since it is smaller than the sum of its proper divisors (2158409206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144200144 is a wasteful number, since it uses less digits than its factorization.
2144200144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159415 (or 159380 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 2144200144 is about 46305.5087867524. The cubic root of 2144200144 is about 1289.5012682583.
Adding to 2144200144 its reverse (4410024412), we get a palindrome (6554224556).
The spelling of 2144200144 in words is "two billion, one hundred forty-four million, two hundred thousand, one hundred forty-four".
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