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13231482782 = 273596194253
BaseRepresentation
bin11000101001010100…
…00110011110011110
31021011010100222010212
430110222012132132
5204044224422112
610024540332422
7645613514360
oct142452063636
937133328125
1013231482782
11567a910941
122693244112
13132b32cb6b
148d73c4d30
15526929522
hex314a8679e

13231482782 has 32 divisors (see below), whose sum is σ = 22787827200. Its totient is φ = 5644376928.

The previous prime is 13231482767. The next prime is 13231482787. The reversal of 13231482782 is 28728413231.

13231482782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132314827822 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231482787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3108968 + ... + 3113220.

It is an arithmetic number, because the mean of its divisors is an integer number (712119600).

Almost surely, 213231482782 is an apocalyptic number.

13231482782 is a deficient number, since it is larger than the sum of its proper divisors (9556344418).

13231482782 is a wasteful number, since it uses less digits than its factorization.

13231482782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240.

The product of its digits is 129024, while the sum is 41.

The spelling of 13231482782 in words is "thirteen billion, two hundred thirty-one million, four hundred eighty-two thousand, seven hundred eighty-two".

Divisors: 1 2 7 14 359 619 718 1238 2513 4253 4333 5026 8506 8666 29771 59542 222221 444442 1526827 1555547 2632607 3053654 3111094 5265214 10687789 18428249 21375578 36856498 945105913 1890211826 6615741391 13231482782