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13023130121 = 59677932561
BaseRepresentation
bin11000010000011110…
…10011001000001001
31020121121022120000122
430020033103020021
5203132410130441
65552134513025
7640503531251
oct141017231011
936547276018
1013023130121
115583243461
122635505775
1312c710ca71
148b786a961
155134c034b
hex3083d3209

13023130121 has 8 divisors (see below), whose sum is σ = 13246221600. Its totient is φ = 12800117440.

The previous prime is 13023130069. The next prime is 13023130123. The reversal of 13023130121 is 12103132031.

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 13023130121 - 222 = 13018935817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13023130121.

It is not an unprimeable number, because it can be changed into a prime (13023130123) 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 7 ways as a sum of consecutive naturals, for example, 383681 + ... + 416241.

It is an arithmetic number, because the mean of its divisors is an integer number (1655777700).

Almost surely, 213023130121 is an apocalyptic number.

It is an amenable number.

13023130121 is a deficient number, since it is larger than the sum of its proper divisors (223091479).

13023130121 is an equidigital number, since it uses as much as digits as its factorization.

13023130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39399.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13023130121 its reverse (12103132031), we get a palindrome (25126262152).

The spelling of 13023130121 in words is "thirteen billion, twenty-three million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 59 6779 32561 399961 1921099 220731019 13023130121