Base | Representation |
---|---|
bin | 111110010010101… |
… | …1100000000000111 |
3 | 12101200001121000021 |
4 | 1330211130000013 |
5 | 13240042020212 |
6 | 543224000011 |
7 | 102540211630 |
oct | 17445340007 |
9 | 5350047007 |
10 | 2090188807 |
11 | 982947873 |
12 | 4a4000007 |
13 | 274064215 |
14 | 15b854887 |
15 | c377a307 |
hex | 7c95c007 |
2090188807 has 8 divisors (see below), whose sum is σ = 2389161632. Its totient is φ = 1791309600.
The previous prime is 2090188787. The next prime is 2090188813. The reversal of 2090188807 is 7088810902.
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 2090188807 - 215 = 2090156039 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 (2090188817) 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, 33757 + ... + 72937.
It is an arithmetic number, because the mean of its divisors is an integer number (298645204).
Almost surely, 22090188807 is an apocalyptic number.
2090188807 is a deficient number, since it is larger than the sum of its proper divisors (298972825).
2090188807 is an equidigital number, since it uses as much as digits as its factorization.
2090188807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46809.
The product of its (nonzero) digits is 64512, while the sum is 43.
The square root of 2090188807 is about 45718.5827317514. The cubic root of 2090188807 is about 1278.5817639367.
The spelling of 2090188807 in words is "two billion, ninety million, one hundred eighty-eight thousand, eight hundred seven".
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