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6390512193 = 3131967971327
BaseRepresentation
bin1011111001110011…
…10111101001000001
3121111100212122200210
411330321313221001
5101041432342233
62534042504333
7314235312612
oct57471675101
917440778623
106390512193
11278a30643a
1212a42050a9
137aac67980
14448a23c09
15276075163
hex17ce77a41

6390512193 has 64 divisors (see below), whose sum is σ = 9911767040. Its totient is φ = 3629463552.

The previous prime is 6390512179. The next prime is 6390512201. The reversal of 6390512193 is 3912150936.

It is not a de Polignac number, because 6390512193 - 26 = 6390512129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6390512113) 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 63 ways as a sum of consecutive naturals, for example, 4815096 + ... + 4816422.

It is an arithmetic number, because the mean of its divisors is an integer number (154871360).

Almost surely, 26390512193 is an apocalyptic number.

It is an amenable number.

6390512193 is a deficient number, since it is larger than the sum of its proper divisors (3521254847).

6390512193 is a wasteful number, since it uses less digits than its factorization.

6390512193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 6390512193 is about 79940.6792127763. The cubic root of 6390512193 is about 1855.7176109684.

The spelling of 6390512193 in words is "six billion, three hundred ninety million, five hundred twelve thousand, one hundred ninety-three".

Divisors: 1 3 13 19 39 57 67 97 201 247 291 741 871 1261 1273 1327 1843 2613 3783 3819 3981 5529 6499 16549 17251 19497 23959 25213 49647 51753 71877 75639 84487 88909 123481 128719 253461 266727 327769 370443 386157 983307 1155817 1605253 1673347 1689271 2445661 3467451 4815759 5020041 5067813 7336983 8624173 21960523 25872519 31793593 65881569 95380779 112114249 163859287 336342747 491577861 2130170731 6390512193