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13024533121 = 31907408203
BaseRepresentation
bin11000010000101001…
…01001101010000001
31020121200221211120121
430020110221222001
5203133240024441
65552224540241
7640521463525
oct141024515201
936550854517
1013024533121
115584011566
122635a81681
1312c74b1542
148b7b13d85
1551369add1
hex308529a81

13024533121 has 4 divisors (see below), whose sum is σ = 13024973232. Its totient is φ = 13024093012.

The previous prime is 13024533113. The next prime is 13024533149. The reversal of 13024533121 is 12133542031.

It is a happy number.

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 13024533121 - 23 = 13024533113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13024533101) 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, 172195 + ... + 236008.

It is an arithmetic number, because the mean of its divisors is an integer number (3256243308).

Almost surely, 213024533121 is an apocalyptic number.

It is an amenable number.

13024533121 is a deficient number, since it is larger than the sum of its proper divisors (440111).

13024533121 is an equidigital number, since it uses as much as digits as its factorization.

13024533121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440110.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 13024533121 in words is "thirteen billion, twenty-four million, five hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 31907 408203 13024533121