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5218529983 = 30716998469
BaseRepresentation
bin1001101110000110…
…00111001010111111
3111110200120210100021
410313003013022333
541141420424413
62221455113011
7243214526062
oct46703071277
914420523307
105218529983
1122387a68a7
121017812767
13652203184
143771088d9
1520822118d
hex1370c72bf

5218529983 has 4 divisors (see below), whose sum is σ = 5235528760. Its totient is φ = 5201531208.

The previous prime is 5218529947. The next prime is 5218530011. The reversal of 5218529983 is 3899258125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5218529983 is a prime.

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 5218529983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218529383) 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 3 ways as a sum of consecutive naturals, for example, 8498928 + ... + 8499541.

It is an arithmetic number, because the mean of its divisors is an integer number (1308882190).

Almost surely, 25218529983 is an apocalyptic number.

5218529983 is a deficient number, since it is larger than the sum of its proper divisors (16998777).

5218529983 is a wasteful number, since it uses less digits than its factorization.

5218529983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998776.

The product of its digits is 1555200, while the sum is 52.

The square root of 5218529983 is about 72239.3935674989. The cubic root of 5218529983 is about 1734.5336423987.

The spelling of 5218529983 in words is "five billion, two hundred eighteen million, five hundred twenty-nine thousand, nine hundred eighty-three".

Divisors: 1 307 16998469 5218529983