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2011728683 = 19347305131
BaseRepresentation
bin111011111101000…
…1000101100101011
312012012102101221202
41313322020230223
513110000304213
6531342154415
7100565261126
oct16772105453
95165371852
102011728683
11942628598
12481882a0b
13260a22a03
1415126d3bd
15bb92cb58
hex77e88b2b

2011728683 has 8 divisors (see below), whose sum is σ = 2123718720. Its totient is φ = 1900349640.

The previous prime is 2011728661. The next prime is 2011728749. The reversal of 2011728683 is 3868271102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011728683 - 26 = 2011728619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011728083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145973 + ... + 159158.

It is an arithmetic number, because the mean of its divisors is an integer number (265464840).

Almost surely, 22011728683 is an apocalyptic number.

2011728683 is a deficient number, since it is larger than the sum of its proper divisors (111990037).

2011728683 is a wasteful number, since it uses less digits than its factorization.

2011728683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305497.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2011728683 is about 44852.2985252707. The cubic root of 2011728683 is about 1262.3791202503.

Adding to 2011728683 its reverse (3868271102), we get a palindrome (5879999785).

The spelling of 2011728683 in words is "two billion, eleven million, seven hundred twenty-eight thousand, six hundred eighty-three".

Divisors: 1 19 347 6593 305131 5797489 105880457 2011728683