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2106841700 = 225221068417
BaseRepresentation
bin111110110010011…
…1101101001100100
312102211101122111002
41331210331221210
513303322413300
6545020532432
7103131600425
oct17544755144
95384348432
102106841700
11991291397
124a96b1118
13277644cc2
1415db4b64c
15c4e695d5
hex7d93da64

2106841700 has 18 divisors (see below), whose sum is σ = 4571846706. Its totient is φ = 842736640.

The previous prime is 2106841697. The next prime is 2106841741. The reversal of 2106841700 is 71486012.

It can be written as a sum of positive squares in 3 ways, for example, as 215296 + 2106626404 = 464^2 + 45898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10534109 + ... + 10534308.

Almost surely, 22106841700 is an apocalyptic number.

2106841700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106841700 is an abundant number, since it is smaller than the sum of its proper divisors (2465005006).

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

2106841700 is a wasteful number, since it uses less digits than its factorization.

2106841700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068431 (or 21068424 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2106841700 is about 45900.3453146052. The cubic root of 2106841700 is about 1281.9683460958.

The spelling of 2106841700 in words is "two billion, one hundred six million, eight hundred forty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21068417 42136834 84273668 105342085 210684170 421368340 526710425 1053420850 2106841700