Base | Representation |
---|---|
bin | 1011101010010000… |
… | …1010011000100011 |
3 | 22002010201121021110 |
4 | 2322210022120203 |
5 | 22402242320031 |
6 | 1234331354403 |
7 | 140364626364 |
oct | 27244123043 |
9 | 8063647243 |
10 | 3130041891 |
11 | 1366910889 |
12 | 7342b2a03 |
13 | 3ab6160c2 |
14 | 2199b7b6b |
15 | 134bcec46 |
hex | ba90a623 |
3130041891 has 8 divisors (see below), whose sum is σ = 4317299280. Its totient is φ = 2014739552.
The previous prime is 3130041847. The next prime is 3130041907. The reversal of 3130041891 is 1981400313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3130041891 - 27 = 3130041763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3130041841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17988660 + ... + 17988833.
It is an arithmetic number, because the mean of its divisors is an integer number (539662410).
Almost surely, 23130041891 is an apocalyptic number.
3130041891 is a deficient number, since it is larger than the sum of its proper divisors (1187257389).
3130041891 is a wasteful number, since it uses less digits than its factorization.
3130041891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35977525.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 3130041891 is about 55946.7773066510. Note that the first 3 decimals coincide. The cubic root of 3130041891 is about 1462.7947174922.
The spelling of 3130041891 in words is "three billion, one hundred thirty million, forty-one thousand, eight hundred ninety-one".
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