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2069644911 = 34316043759
BaseRepresentation
bin111101101011100…
…0100011001101111
312100020101212002020
41323113010121233
513214312114121
6541211401223
7102200456115
oct17327043157
95306355066
102069644911
11972295944
12499153213
1326ca20379
14158c27ab5
15c1a6d1c6
hex7b5c466f

2069644911 has 8 divisors (see below), whose sum is σ = 2823701760. Its totient is φ = 1347675672.

The previous prime is 2069644897. The next prime is 2069644999. The reversal of 2069644911 is 1194469602.

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

It is not a de Polignac number, because 2069644911 - 223 = 2061256303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069644111) 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 7 ways as a sum of consecutive naturals, for example, 8021751 + ... + 8022008.

It is an arithmetic number, because the mean of its divisors is an integer number (352962720).

Almost surely, 22069644911 is an apocalyptic number.

2069644911 is a deficient number, since it is larger than the sum of its proper divisors (754056849).

2069644911 is a wasteful number, since it uses less digits than its factorization.

2069644911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043805.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2069644911 is about 45493.3501843951. The cubic root of 2069644911 is about 1274.3790206353.

The spelling of 2069644911 in words is "two billion, sixty-nine million, six hundred forty-four thousand, nine hundred eleven".

Divisors: 1 3 43 129 16043759 48131277 689881637 2069644911