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13448884431 = 337121161121
BaseRepresentation
bin11001000011001110…
…11011000011001111
31021201021110010010210
430201213123003033
5210020403300211
610102304133503
7654163426413
oct144147330317
937637403123
1013448884431
1157815a9a24
122734007293
13136439a9a8
14918216d43
1553aa6e9a6
hex3219db0cf

13448884431 has 8 divisors (see below), whose sum is σ = 18416490544. Its totient is φ = 8723600640.

The previous prime is 13448884403. The next prime is 13448884441.

13448884431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13448884431 - 27 = 13448884303 is a prime.

It is a super-2 number, since 2×134488844312 (a number of 21 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 (13448884441) 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, 60580450 + ... + 60580671.

It is an arithmetic number, because the mean of its divisors is an integer number (2302061318).

Almost surely, 213448884431 is an apocalyptic number.

13448884431 is a deficient number, since it is larger than the sum of its proper divisors (4967606113).

13448884431 is a wasteful number, since it uses less digits than its factorization.

13448884431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121161161.

The product of its digits is 1179648, while the sum is 48.

The spelling of 13448884431 in words is "thirteen billion, four hundred forty-eight million, eight hundred eighty-four thousand, four hundred thirty-one".

Divisors: 1 3 37 111 121161121 363483363 4482961477 13448884431