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13044000221 = 75233562961
BaseRepresentation
bin11000010010111101…
…11010010111011101
31020200001120212102022
430021132322113131
5203203231001341
65554202105525
7641146113110
oct141136722735
936601525368
1013044000221
115593aa847a
1226404ab2a5
1312cb539235
148ba540577
15515243e4b
hex3097ba5dd

13044000221 has 8 divisors (see below), whose sum is σ = 14935936704. Its totient is φ = 11159190720.

The previous prime is 13044000133. The next prime is 13044000269. The reversal of 13044000221 is 12200044031.

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 13044000221 - 230 = 11970258397 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 13044000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044002221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777820 + ... + 1785141.

It is an arithmetic number, because the mean of its divisors is an integer number (1866992088).

Almost surely, 213044000221 is an apocalyptic number.

It is an amenable number.

13044000221 is a deficient number, since it is larger than the sum of its proper divisors (1891936483).

13044000221 is an equidigital number, since it uses as much as digits as its factorization.

13044000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563491.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13044000221 its reverse (12200044031), we get a palindrome (25244044252).

The spelling of 13044000221 in words is "thirteen billion, forty-four million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 523 3661 3562961 24940727 1863428603 13044000221