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4064729869 = 171912799089
BaseRepresentation
bin1111001001000110…
…1101101100001101
3101111021111200010201
43302101231230031
531311032323434
61511201133501
7202504430254
oct36221555415
911437450121
104064729869
1117a6485792
1295532a291
134ca166505
142a7ba379b
1518bcae614
hexf246db0d

4064729869 has 16 divisors (see below), whose sum is σ = 4566067200. Its totient is φ = 3595705344.

The previous prime is 4064729821. The next prime is 4064729909. The reversal of 4064729869 is 9689274604.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4064729869 is a prime.

It is a super-2 number, since 2×40647298692 = 33044057815881514322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064729819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8524 + ... + 90565.

It is an arithmetic number, because the mean of its divisors is an integer number (285379200).

Almost surely, 24064729869 is an apocalyptic number.

It is an amenable number.

4064729869 is a deficient number, since it is larger than the sum of its proper divisors (501337331).

4064729869 is a wasteful number, since it uses less digits than its factorization.

4064729869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99252.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 4064729869 is about 63755.2340518016. The cubic root of 4064729869 is about 1595.9179628238.

The spelling of 4064729869 in words is "four billion, sixty-four million, seven hundred twenty-nine thousand, eight hundred sixty-nine".

Divisors: 1 17 19 127 323 2159 2413 41021 99089 1684513 1882691 12584303 32005747 213933151 239101757 4064729869