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2103666071 = 131717215531
BaseRepresentation
bin111110101100011…
…0110010110010111
312102121102022100012
41331120312112113
513302014303241
6544424510435
7103062603143
oct17530662627
95377368305
102103666071
1198a512501
124a861b41b
13276aa2730
1415d562223
15c4a3d6eb
hex7d636597

2103666071 has 16 divisors (see below), whose sum is σ = 2400578208. Its totient is φ = 1826227200.

The previous prime is 2103666049. The next prime is 2103666083. The reversal of 2103666071 is 1706663012.

It is a cyclic number.

It is not a de Polignac number, because 2103666071 - 218 = 2103403927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103666001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377576 + ... + 383106.

It is an arithmetic number, because the mean of its divisors is an integer number (150036138).

Almost surely, 22103666071 is an apocalyptic number.

2103666071 is a deficient number, since it is larger than the sum of its proper divisors (296912137).

2103666071 is a wasteful number, since it uses less digits than its factorization.

2103666071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2103666071 is about 45865.7396212031. The cubic root of 2103666071 is about 1281.3239213159.

The spelling of 2103666071 in words is "two billion, one hundred three million, six hundred sixty-six thousand, seventy-one".

Divisors: 1 13 17 221 1721 5531 22373 29257 71903 94027 380341 1222351 9518851 123745063 161820467 2103666071