Base | Representation |
---|---|
bin | 1010110100111101… |
… | …0111110101111101 |
3 | 21111120001220020201 |
4 | 2231033113311331 |
5 | 21423030110224 |
6 | 1200224043501 |
7 | 132011512333 |
oct | 25517276575 |
9 | 7446056221 |
10 | 2906488189 |
11 | 1261700660 |
12 | 691463591 |
13 | 374202cc7 |
14 | 1d8023b53 |
15 | 120271a44 |
hex | ad3d7d7d |
2906488189 has 4 divisors (see below), whose sum is σ = 3170714400. Its totient is φ = 2642261980.
The previous prime is 2906488183. The next prime is 2906488201. The reversal of 2906488189 is 9818846092.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2906488189 - 25 = 2906488157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2906488183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132113089 + ... + 132113110.
It is an arithmetic number, because the mean of its divisors is an integer number (792678600).
Almost surely, 22906488189 is an apocalyptic number.
It is an amenable number.
2906488189 is a deficient number, since it is larger than the sum of its proper divisors (264226211).
2906488189 is a wasteful number, since it uses less digits than its factorization.
2906488189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264226210.
The product of its (nonzero) digits is 1990656, while the sum is 55.
The square root of 2906488189 is about 53911.8557369342. The cubic root of 2906488189 is about 1427.1058535614.
The spelling of 2906488189 in words is "two billion, nine hundred six million, four hundred eighty-eight thousand, one hundred eighty-nine".
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