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2105346700 = 225221053467
BaseRepresentation
bin111110101111101…
…0000101010001100
312102201120200201201
41331133100222030
513302432043300
6544524515244
7103113103012
oct17537205214
95381520651
102105346700
11990460156
124a90abb24
132772406a2
1415d87c8b2
15c4c7166a
hex7d7d0a8c

2105346700 has 18 divisors (see below), whose sum is σ = 4568602556. Its totient is φ = 842138640.

The previous prime is 2105346689. The next prime is 2105346701. The reversal of 2105346700 is 76435012.

It is not an unprimeable number, because it can be changed into a prime (2105346701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10526634 + ... + 10526833.

Almost surely, 22105346700 is an apocalyptic number.

2105346700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105346700 is an abundant number, since it is smaller than the sum of its proper divisors (2463255856).

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

2105346700 is a wasteful number, since it uses less digits than its factorization.

2105346700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21053481 (or 21053474 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2105346700 is about 45884.0571440669. The cubic root of 2105346700 is about 1281.6650491154.

The spelling of 2105346700 in words is "two billion, one hundred five million, three hundred forty-six thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21053467 42106934 84213868 105267335 210534670 421069340 526336675 1052673350 2105346700