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13023460213 = 50325891571
BaseRepresentation
bin11000010000100001…
…00011101101110101
31020121121221022211021
430020100203231311
5203133001211323
65552145541141
7640506404521
oct141020435565
936547838737
1013023460213
115583449465
1226356447b1
1312c71c709a
148b7914d81
1551353805d
hex308423b75

13023460213 has 4 divisors (see below), whose sum is σ = 13049352288. Its totient is φ = 12997568140.

The previous prime is 13023460199. The next prime is 13023460271. The reversal of 13023460213 is 31206432031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31206432031 = 157198767083.

It is a cyclic number.

It is not a de Polignac number, because 13023460213 - 225 = 12989905781 is a prime.

It is a super-2 number, since 2×130234602132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023469213) 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, 12945283 + ... + 12946288.

It is an arithmetic number, because the mean of its divisors is an integer number (3262338072).

Almost surely, 213023460213 is an apocalyptic number.

It is an amenable number.

13023460213 is a deficient number, since it is larger than the sum of its proper divisors (25892075).

13023460213 is an equidigital number, since it uses as much as digits as its factorization.

13023460213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25892074.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13023460213 its reverse (31206432031), we get a palindrome (44229892244).

The spelling of 13023460213 in words is "thirteen billion, twenty-three million, four hundred sixty thousand, two hundred thirteen".

Divisors: 1 503 25891571 13023460213