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13023301213 = 134124433961
BaseRepresentation
bin11000010000011111…
…11100111001011101
31020121121122020201101
430020033330321131
5203132431114323
65552142313101
7640505143126
oct141017747135
936547566641
1013023301213
11558334aa5a
122635588791
1312c716c8c0
148b78b304d
15513505dad
hex3083fce5d

13023301213 has 8 divisors (see below), whose sum is σ = 14367169656. Its totient is φ = 11728300800.

The previous prime is 13023301133. The next prime is 13023301229. The reversal of 13023301213 is 31210332031.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 13022689689 = 782^2 + 114117^2 .

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 13023301213 - 217 = 13023170141 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 (13023301513) 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 7 ways as a sum of consecutive naturals, for example, 12216448 + ... + 12217513.

It is an arithmetic number, because the mean of its divisors is an integer number (1795896207).

Almost surely, 213023301213 is an apocalyptic number.

13023301213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13023301213 is a deficient number, since it is larger than the sum of its proper divisors (1343868443).

13023301213 is a wasteful number, since it uses less digits than its factorization.

13023301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24434015.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13023301213 its reverse (31210332031), we get a palindrome (44233633244).

The spelling of 13023301213 in words is "thirteen billion, twenty-three million, three hundred one thousand, two hundred thirteen".

Divisors: 1 13 41 533 24433961 317641493 1001792401 13023301213