Base | Representation |
---|---|
bin | 111110110111111… |
… | …1000010000010110 |
3 | 12110000210000201012 |
4 | 1331233320100112 |
5 | 13310041000230 |
6 | 545202132222 |
7 | 103165116110 |
oct | 17557702026 |
9 | 5400700635 |
10 | 2109703190 |
11 | 992966261 |
12 | 4aa651072 |
13 | 2781075aa |
14 | 1602943b0 |
15 | c5332395 |
hex | 7dbf8416 |
2109703190 has 64 divisors (see below), whose sum is σ = 4588185600. Its totient is φ = 682286976.
The previous prime is 2109703187. The next prime is 2109703201. The reversal of 2109703190 is 913079012.
It is a happy number.
It is a super-2 number, since 2×21097031902 = 8901695099792352200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314552 + ... + 321188.
It is an arithmetic number, because the mean of its divisors is an integer number (71690400).
Almost surely, 22109703190 is an apocalyptic number.
2109703190 is an abundant number, since it is smaller than the sum of its proper divisors (2478482410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2109703190 is a wasteful number, since it uses less digits than its factorization.
2109703190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6909.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 2109703190 is about 45931.5054183945. The cubic root of 2109703190 is about 1282.5484687961.
The spelling of 2109703190 in words is "two billion, one hundred nine million, seven hundred three thousand, one hundred ninety".
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