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2109676890 = 235101696263
BaseRepresentation
bin111110110111111…
…0001110101011010
312110000201200122010
41331233301311122
513310034130030
6545201410350
7103164646326
oct17557616532
95400650563
102109676890
11992948522
124aa6399b6
132780c8629
14160288986
15c53296b0
hex7dbf1d5a

2109676890 has 32 divisors (see below), whose sum is σ = 5113362816. Its totient is φ = 557009600.

The previous prime is 2109676873. The next prime is 2109676957. The reversal of 2109676890 is 986769012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345102 + ... + 351161.

It is an arithmetic number, because the mean of its divisors is an integer number (159792588).

Almost surely, 22109676890 is an apocalyptic number.

2109676890 is an abundant number, since it is smaller than the sum of its proper divisors (3003685926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109676890 is a wasteful number, since it uses less digits than its factorization.

2109676890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696374.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 2109676890 is about 45931.2191216388. The cubic root of 2109676890 is about 1282.5431392684.

The spelling of 2109676890 in words is "two billion, one hundred nine million, six hundred seventy-six thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 696263 1392526 2088789 3481315 4177578 6962630 10443945 20887890 70322563 140645126 210967689 351612815 421935378 703225630 1054838445 2109676890