Base | Representation |
---|---|
bin | 111111110111100… |
… | …1001110001011001 |
3 | 12112100120002120012 |
4 | 1333233021301121 |
5 | 13342111122400 |
6 | 552353211305 |
7 | 104051525255 |
oct | 17757116131 |
9 | 5470502505 |
10 | 2143067225 |
11 | 9aa784142 |
12 | 4b9860b35 |
13 | 281cb9820 |
14 | 16489b265 |
15 | c8222d35 |
hex | 7fbc9c59 |
2143067225 has 48 divisors (see below), whose sum is σ = 2938645248. Its totient is φ = 1540477440.
The previous prime is 2143067219. The next prime is 2143067233. The reversal of 2143067225 is 5227603412.
It is not a de Polignac number, because 2143067225 - 230 = 1069325401 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2143067191 and 2143067200.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4689197 + ... + 4689653.
It is an arithmetic number, because the mean of its divisors is an integer number (61221776).
Almost surely, 22143067225 is an apocalyptic number.
2143067225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2143067225 is a deficient number, since it is larger than the sum of its proper divisors (795578023).
2143067225 is a wasteful number, since it uses less digits than its factorization.
2143067225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 834 (or 829 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 2143067225 is about 46293.2740795032. The cubic root of 2143067225 is about 1289.2741193977.
The spelling of 2143067225 in words is "two billion, one hundred forty-three million, sixty-seven thousand, two hundred twenty-five".
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