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2105106450 = 235214034043
BaseRepresentation
bin111110101111001…
…0110000000010010
312102201010111011120
41331132112000102
513302401401300
6544515423110
7103111052406
oct17536260022
95381114146
102105106450
119903066a7
124a8bb4a96
13277188225
1415d819106
15c4c253a0
hex7d796012

2105106450 has 24 divisors (see below), whose sum is σ = 5220664368. Its totient is φ = 561361680.

The previous prime is 2105106449. The next prime is 2105106457. The reversal of 2105106450 is 546015012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105106450.

It is not an unprimeable number, because it can be changed into a prime (2105106457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7016872 + ... + 7017171.

It is an arithmetic number, because the mean of its divisors is an integer number (217527682).

Almost surely, 22105106450 is an apocalyptic number.

2105106450 is an abundant number, since it is smaller than the sum of its proper divisors (3115557918).

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

2105106450 is a wasteful number, since it uses less digits than its factorization.

2105106450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034058 (or 14034053 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2105106450 is about 45881.4390576407. The cubic root of 2105106450 is about 1281.6162951910.

The spelling of 2105106450 in words is "two billion, one hundred five million, one hundred six thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 14034043 28068086 42102129 70170215 84204258 140340430 210510645 350851075 421021290 701702150 1052553225 2105106450