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5389644709 = 19418638017
BaseRepresentation
bin1010000010011111…
…10111001110100101
3111220121120022121201
411001033313032211
542014222112314
62250450442501
7250363136611
oct50117671645
914817508551
105389644709
11231634a929
121064b93431
1367b7b59a7
14391b2c341
15218271b74
hex1413f73a5

5389644709 has 16 divisors (see below), whose sum is σ = 5819143680. Its totient is φ = 4975050240.

The previous prime is 5389644697. The next prime is 5389644727. The reversal of 5389644709 is 9074469835.

It is a cyclic number.

It is not a de Polignac number, because 5389644709 - 219 = 5389120421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5389644709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5389644769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668269 + ... + 676285.

It is an arithmetic number, because the mean of its divisors is an integer number (363696480).

Almost surely, 25389644709 is an apocalyptic number.

It is an amenable number.

5389644709 is a deficient number, since it is larger than the sum of its proper divisors (429498971).

5389644709 is a wasteful number, since it uses less digits than its factorization.

5389644709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 5389644709 is about 73414.1996414863. The cubic root of 5389644709 is about 1753.2884788516.

The spelling of 5389644709 in words is "five billion, three hundred eighty-nine million, six hundred forty-four thousand, seven hundred nine".

Divisors: 1 19 41 779 863 8017 16397 35383 152323 328697 672277 6245243 6918671 131454749 283665511 5389644709