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13044043214431 = 21161820110021
BaseRepresentation
bin1011110111010000110110…
…0011111110111001011111
31201011222221210120122021121
42331310031203332321133
53202203200030330211
643424203431311411
72514254356632355
oct275641543767137
951158853518247
1013044043214431
114179a47378669
12156803381b567
137380815b0048
143314995957d5
1517948b0cd271
hexbdd0d8fee5f

13044043214431 has 4 divisors (see below), whose sum is σ = 13105863324664. Its totient is φ = 12982223104200.

The previous prime is 13044043214401. The next prime is 13044043214507. The reversal of 13044043214431 is 13441234044031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13044043214431 - 27 = 13044043214303 is a prime.

It is a super-2 number, since 2×130440432144312 (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 (13044043214401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30910054800 + ... + 30910055221.

It is an arithmetic number, because the mean of its divisors is an integer number (3276465831166).

Almost surely, 213044043214431 is an apocalyptic number.

13044043214431 is a deficient number, since it is larger than the sum of its proper divisors (61820110233).

13044043214431 is an equidigital number, since it uses as much as digits as its factorization.

13044043214431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61820110232.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 13044043214431 its reverse (13441234044031), we get a palindrome (26485277258462).

The spelling of 13044043214431 in words is "thirteen trillion, forty-four billion, forty-three million, two hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 211 61820110021 13044043214431