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2108973086 = 211234167931
BaseRepresentation
bin111110110110100…
…0110000000011110
312102222101221012022
41331231012000132
513304344114321
6545134340142
7103155655403
oct17555060036
95388357168
102108973086
11992507770
124aa35a652
13277c1018c
141601442aa
15c523adab
hex7db4601e

2108973086 has 16 divisors (see below), whose sum is σ = 3601093248. Its totient is φ = 916944600.

The previous prime is 2108972989. The next prime is 2108973089. The reversal of 2108973086 is 6803798012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108973089) 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, 2083460 + ... + 2084471.

It is an arithmetic number, because the mean of its divisors is an integer number (225068328).

Almost surely, 22108973086 is an apocalyptic number.

2108973086 is a deficient number, since it is larger than the sum of its proper divisors (1492120162).

2108973086 is a wasteful number, since it uses less digits than its factorization.

2108973086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167967.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2108973086 is about 45923.5569833174. The cubic root of 2108973086 is about 1282.4005014088.

The spelling of 2108973086 in words is "two billion, one hundred eight million, nine hundred seventy-three thousand, eighty-six".

Divisors: 1 2 11 22 23 46 253 506 4167931 8335862 45847241 91694482 95862413 191724826 1054486543 2108973086