Base | Representation |
---|---|
bin | 111111110111100… |
… | …0010010111111101 |
3 | 12112100111112222222 |
4 | 1333233002113331 |
5 | 13342104140200 |
6 | 552352415125 |
7 | 104051341031 |
oct | 17757022775 |
9 | 5470445888 |
10 | 2143036925 |
11 | 9aa7633a7 |
12 | 4b98474a5 |
13 | 281ca8ab3 |
14 | 1648901c1 |
15 | c8218d85 |
hex | 7fbc25fd |
2143036925 has 24 divisors (see below), whose sum is σ = 2752874400. Its totient is φ = 1652978880.
The previous prime is 2143036919. The next prime is 2143036979. The reversal of 2143036925 is 5296303412.
It is not a de Polignac number, because 2143036925 - 210 = 2143035901 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655946 + ... + 659204.
It is an arithmetic number, because the mean of its divisors is an integer number (114703100).
Almost surely, 22143036925 is an apocalyptic number.
2143036925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2143036925 is a deficient number, since it is larger than the sum of its proper divisors (609837475).
2143036925 is a wasteful number, since it uses less digits than its factorization.
2143036925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4205 (or 4200 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 35.
The square root of 2143036925 is about 46292.9468169828. The cubic root of 2143036925 is about 1289.2680431861.
The spelling of 2143036925 in words is "two billion, one hundred forty-three million, thirty-six thousand, nine hundred twenty-five".
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