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13020301013 = 29895044673
BaseRepresentation
bin11000010000001001…
…00000011011010101
31020121101222211012212
430020010200123111
5203131144113023
65551554123205
7640440506156
oct141004403325
936541884185
1013020301013
115581690955
122634580505
1312c665c135
148b733192d
15513111e78
hex3081206d5

13020301013 has 8 divisors (see below), whose sum is σ = 13620619800. Its totient is φ = 12430071808.

The previous prime is 13020300949. The next prime is 13020301031. The reversal of 13020301013 is 31010302031.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 13019494609 = 898^2 + 114103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13020301013 - 26 = 13020300949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020301213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519756 + ... + 2524917.

It is an arithmetic number, because the mean of its divisors is an integer number (1702577475).

Almost surely, 213020301013 is an apocalyptic number.

It is an amenable number.

13020301013 is a deficient number, since it is larger than the sum of its proper divisors (600318787).

13020301013 is an equidigital number, since it uses as much as digits as its factorization.

13020301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044791.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13020301013 its reverse (31010302031), we get a palindrome (44030603044).

The spelling of 13020301013 in words is "thirteen billion, twenty million, three hundred one thousand, thirteen".

Divisors: 1 29 89 2581 5044673 146295517 448975897 13020301013