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2085416783 = 3975252939
BaseRepresentation
bin111110001001100…
…1110111101001111
312101100002011000122
41330103032331033
513232331314113
6542533415155
7102451515212
oct17423167517
95340064018
102085416783
1198018854a
124a249a4bb
13273083138
1415ad71779
15c3136408
hex7c4cef4f

2085416783 has 4 divisors (see below), whose sum is σ = 2090670120. Its totient is φ = 2080163448.

The previous prime is 2085416759. The next prime is 2085416789. The reversal of 2085416783 is 3876145802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2085416783 - 28 = 2085416527 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 (2085416789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626073 + ... + 2626866.

It is an arithmetic number, because the mean of its divisors is an integer number (522667530).

Almost surely, 22085416783 is an apocalyptic number.

2085416783 is a deficient number, since it is larger than the sum of its proper divisors (5253337).

2085416783 is an equidigital number, since it uses as much as digits as its factorization.

2085416783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253336.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2085416783 is about 45666.3638031320. The cubic root of 2085416783 is about 1277.6079967114.

The spelling of 2085416783 in words is "two billion, eighty-five million, four hundred sixteen thousand, seven hundred eighty-three".

Divisors: 1 397 5252939 2085416783