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613101317 = 2326656579
BaseRepresentation
bin100100100010110…
…010111100000101
31120201122202220012
4210202302330011
52223423220232
6140500520005
721123163253
oct4442627405
91521582805
10613101317
11295097104
121513b0005
139a034c5a
145b5d75d3
1538c599b2
hex248b2f05

613101317 has 4 divisors (see below), whose sum is σ = 639757920. Its totient is φ = 586444716.

The previous prime is 613101287. The next prime is 613101341. The reversal of 613101317 is 713101316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613101317 - 216 = 613035781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 26656579 = 613101317 / (6 + 1 + 3 + 1 + 0 + 1 + 3 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613101292 and 613101301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613101397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13328267 + ... + 13328312.

It is an arithmetic number, because the mean of its divisors is an integer number (159939480).

Almost surely, 2613101317 is an apocalyptic number.

It is an amenable number.

613101317 is a deficient number, since it is larger than the sum of its proper divisors (26656603).

613101317 is a wasteful number, since it uses less digits than its factorization.

613101317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656602.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 613101317 is about 24760.8827992865. The cubic root of 613101317 is about 849.5274499107.

Subtracting 613101317 from its reverse (713101316), we obtain a palindrome (99999999).

The spelling of 613101317 in words is "six hundred thirteen million, one hundred one thousand, three hundred seventeen".

Divisors: 1 23 26656579 613101317