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13245641334031 = 13388239893497
BaseRepresentation
bin1100000010111111110110…
…1111110001110100001111
31201220021022112000012201211
43000233331233301310033
53214004033140142111
644100544050515251
72534652224445241
oct300577557616417
951807275005654
1013245641334031
114247499246767
12159b116595b27
1375109ba27102
1433b1419dc091
1517e8399ce521
hexc0bfdbf1d0f

13245641334031 has 4 divisors (see below), whose sum is σ = 13245652566352. Its totient is φ = 13245630101712.

The previous prime is 13245641333891. The next prime is 13245641334043. The reversal of 13245641334031 is 13043314654231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13245641334031 - 219 = 13245640809743 is a prime.

It is a super-2 number, since 2×132456413340312 (a number of 27 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 (13245641334631) 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, 3607926 + ... + 6285571.

It is an arithmetic number, because the mean of its divisors is an integer number (3311413141588).

Almost surely, 213245641334031 is an apocalyptic number.

13245641334031 is a deficient number, since it is larger than the sum of its proper divisors (11232321).

13245641334031 is an equidigital number, since it uses as much as digits as its factorization.

13245641334031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232320.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 13245641334031 its reverse (13043314654231), we get a palindrome (26288955988262).

The spelling of 13245641334031 in words is "thirteen trillion, two hundred forty-five billion, six hundred forty-one million, three hundred thirty-four thousand, thirty-one".

Divisors: 1 1338823 9893497 13245641334031