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5781393111 = 313154995701
BaseRepresentation
bin1010110001001100…
…10000111011010111
3112220220201012101210
411120212100323113
543320014034421
62353403152503
7263161013334
oct53046207327
915826635353
105781393111
1124a749a23a
121154215733
137119c8490
143cbb8598b
1523c855576
hex158990ed7

5781393111 has 16 divisors (see below), whose sum is σ = 8306933600. Its totient is φ = 3555446400.

The previous prime is 5781393109. The next prime is 5781393113. The reversal of 5781393111 is 1113931875.

It is an interprime number because it is at equal distance from previous prime (5781393109) and next prime (5781393113).

It is not a de Polignac number, because 5781393111 - 21 = 5781393109 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 a self number, because there is not a number n which added to its sum of digits gives 5781393111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781393113) 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, 12561 + ... + 108261.

It is an arithmetic number, because the mean of its divisors is an integer number (519183350).

Almost surely, 25781393111 is an apocalyptic number.

5781393111 is a deficient number, since it is larger than the sum of its proper divisors (2525540489).

5781393111 is a wasteful number, since it uses less digits than its factorization.

5781393111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97266.

The product of its digits is 22680, while the sum is 39.

The square root of 5781393111 is about 76035.4727150427. The cubic root of 5781393111 is about 1794.7783972880.

The spelling of 5781393111 in words is "five billion, seven hundred eighty-one million, three hundred ninety-three thousand, one hundred eleven".

Divisors: 1 3 13 39 1549 4647 20137 60411 95701 287103 1244113 3732339 148240849 444722547 1927131037 5781393111