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5308909489 = 13408377653
BaseRepresentation
bin1001111000110111…
…11000011110110001
3111200222122112201101
410330123320132301
541333040100424
62234444204401
7245362662142
oct47433703661
914628575641
105308909489
112284817304
121041b39701
13667b58a80
14385113ac9
15211125344
hex13c6f87b1

5308909489 has 4 divisors (see below), whose sum is σ = 5717287156. Its totient is φ = 4900531824.

The previous prime is 5308909469. The next prime is 5308909493. The reversal of 5308909489 is 9849098035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1231448464 + 4077461025 = 35092^2 + 63855^2 .

It is a cyclic number.

It is not a de Polignac number, because 5308909489 - 29 = 5308908977 is a prime.

It is a super-2 number, since 2×53089094892 = 56369039924788482242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5308909409) 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, 204188814 + ... + 204188839.

It is an arithmetic number, because the mean of its divisors is an integer number (1429321789).

Almost surely, 25308909489 is an apocalyptic number.

It is an amenable number.

5308909489 is a deficient number, since it is larger than the sum of its proper divisors (408377667).

5308909489 is a wasteful number, since it uses less digits than its factorization.

5308909489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408377666.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 5308909489 is about 72862.2638201696. The cubic root of 5308909489 is about 1744.4898237363.

The spelling of 5308909489 in words is "five billion, three hundred eight million, nine hundred nine thousand, four hundred eighty-nine".

Divisors: 1 13 408377653 5308909489