Base | Representation |
---|---|
bin | 111000010101010… |
… | …1111000101110101 |
3 | 11212201211201001221 |
4 | 1300222233011311 |
5 | 12332401014000 |
6 | 511322350341 |
7 | 64561604140 |
oct | 16052570565 |
9 | 4781751057 |
10 | 1890251125 |
11 | 88aaa7714 |
12 | 44905b3b1 |
13 | 2417cc3b9 |
14 | 13d08b057 |
15 | b0e3461a |
hex | 70aaf175 |
1890251125 has 32 divisors (see below), whose sum is σ = 2723954688. Its totient is φ = 1282752000.
The previous prime is 1890251093. The next prime is 1890251141. The reversal of 1890251125 is 5211520981.
It is not a de Polignac number, because 1890251125 - 25 = 1890251093 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73740 + ... + 96010.
It is an arithmetic number, because the mean of its divisors is an integer number (85123584).
Almost surely, 21890251125 is an apocalyptic number.
It is an amenable number.
1890251125 is a deficient number, since it is larger than the sum of its proper divisors (833703563).
1890251125 is an equidigital number, since it uses as much as digits as its factorization.
1890251125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22390 (or 22380 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 34.
The square root of 1890251125 is about 43477.0183545284. The cubic root of 1890251125 is about 1236.4403471879.
The spelling of 1890251125 in words is "one billion, eight hundred ninety million, two hundred fifty-one thousand, one hundred twenty-five".
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