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13224051357 = 3111921419851
BaseRepresentation
bin11000101000011011…
…10000001010011101
31021010121101102010220
430110031300022131
5204040324120412
610024113151553
7645463403406
oct142415601235
937117342126
1013224051357
1156766a5570
12269085b5b9
13132992a47a
148d640c9ad
15525e5c68c
hex31437029d

13224051357 has 32 divisors (see below), whose sum is σ = 20258864640. Its totient is φ = 7588440000.

The previous prime is 13224051353. The next prime is 13224051377. The reversal of 13224051357 is 75315042231.

It is not a de Polignac number, because 13224051357 - 22 = 13224051353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224051353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337482 + ... + 1347332.

It is an arithmetic number, because the mean of its divisors is an integer number (633089520).

Almost surely, 213224051357 is an apocalyptic number.

It is an amenable number.

13224051357 is a deficient number, since it is larger than the sum of its proper divisors (7034813283).

13224051357 is a wasteful number, since it uses less digits than its factorization.

13224051357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12025.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 13224051357 its reverse (75315042231), we get a palindrome (88539093588).

The spelling of 13224051357 in words is "thirteen billion, two hundred twenty-four million, fifty-one thousand, three hundred fifty-seven".

Divisors: 1 3 11 19 33 57 209 627 2141 6423 9851 23551 29553 40679 70653 108361 122037 187169 325083 447469 561507 1342407 2058859 6176577 21090991 63272973 232000901 400728829 696002703 1202186487 4408017119 13224051357