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5368231609 = 13412940893
BaseRepresentation
bin1001111111111100…
…01011011010111001
3111212010021102100221
410333332023122321
541443231402414
62244403500041
7250013134006
oct47776133271
914763242327
105368231609
112305254954
121059987621
13677229310
1438cd568ad
15216442224
hex13ff8b6b9

5368231609 has 4 divisors (see below), whose sum is σ = 5781172516. Its totient is φ = 4955290704.

The previous prime is 5368231597. The next prime is 5368231651. The reversal of 5368231609 is 9061328635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9061328635 = 51812265727.

It can be written as a sum of positive squares in 2 ways, for example, as 1872465984 + 3495765625 = 43272^2 + 59125^2 .

It is not a de Polignac number, because 5368231609 - 29 = 5368231097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5368231669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206470434 + ... + 206470459.

It is an arithmetic number, because the mean of its divisors is an integer number (1445293129).

Almost surely, 25368231609 is an apocalyptic number.

It is an amenable number.

5368231609 is a deficient number, since it is larger than the sum of its proper divisors (412940907).

5368231609 is a wasteful number, since it uses less digits than its factorization.

5368231609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412940906.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 5368231609 is about 73268.2169088344. The cubic root of 5368231609 is about 1750.9634541307.

The spelling of 5368231609 in words is "five billion, three hundred sixty-eight million, two hundred thirty-one thousand, six hundred nine".

Divisors: 1 13 412940893 5368231609