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2109703190 = 257192396637
BaseRepresentation
bin111110110111111…
…1000010000010110
312110000210000201012
41331233320100112
513310041000230
6545202132222
7103165116110
oct17557702026
95400700635
102109703190
11992966261
124aa651072
132781075aa
141602943b0
15c5332395
hex7dbf8416

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".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 239 266 478 665 1195 1330 1673 2390 3346 4541 6637 8365 9082 13274 16730 22705 31787 33185 45410 46459 63574 66370 92918 126103 158935 232295 252206 317870 464590 630515 882721 1261030 1586243 1765442 3172486 4413605 7931215 8827210 11103701 15862430 22207402 30138617 55518505 60277234 111037010 150693085 210970319 301386170 421940638 1054851595 2109703190