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2064639611 = 61113299527
BaseRepresentation
bin111101100001111…
…1110011001111011
312022212222120002202
41323003332121323
513212021431421
6540512220415
7102110101316
oct17303763173
95285876082
102064639611
1196a487331
1249753a70b
1326b98a058
141582c397d
15c13d010b
hex7b0fe67b

2064639611 has 8 divisors (see below), whose sum is σ = 2117063904. Its totient is φ = 2012814720.

The previous prime is 2064639491. The next prime is 2064639623. The reversal of 2064639611 is 1169364602.

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 2064639611 - 214 = 2064623227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064633611) 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, 142871 + ... + 156656.

It is an arithmetic number, because the mean of its divisors is an integer number (264632988).

Almost surely, 22064639611 is an apocalyptic number.

2064639611 is a deficient number, since it is larger than the sum of its proper divisors (52424293).

2064639611 is a wasteful number, since it uses less digits than its factorization.

2064639611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299701.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2064639611 is about 45438.3055471922. The cubic root of 2064639611 is about 1273.3508574123.

The spelling of 2064639611 in words is "two billion, sixty-four million, six hundred thirty-nine thousand, six hundred eleven".

Divisors: 1 61 113 6893 299527 18271147 33846551 2064639611