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13233444042 = 23713143916843
BaseRepresentation
bin11000101001100011…
…00101010011001010
31021011021001121111010
430110301211103022
5204100230202132
610025050344350
7645636263340
oct142461452312
937137047433
1013233444042
115680a30415
122693a2b0b6
13132b868780
148d7775990
15526bb56cc
hex314c654ca

13233444042 has 64 divisors (see below), whose sum is σ = 32599203840. Its totient is φ = 3487506624.

The previous prime is 13233444041. The next prime is 13233444047. The reversal of 13233444042 is 24044433231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13233444041) 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, 777273 + ... + 794115.

It is an arithmetic number, because the mean of its divisors is an integer number (509362560).

Almost surely, 213233444042 is an apocalyptic number.

13233444042 is an abundant number, since it is smaller than the sum of its proper divisors (19365759798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13233444042 is a wasteful number, since it uses less digits than its factorization.

13233444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13233444042 its reverse (24044433231), we get a palindrome (37277877273).

The spelling of 13233444042 in words is "thirteen billion, two hundred thirty-three million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 1439 2878 4317 8634 10073 16843 18707 20146 30219 33686 37414 50529 56121 60438 101058 112242 117901 130949 218959 235802 261898 353703 392847 437918 656877 707406 785694 1313754 1532713 3065426 4598139 9196278 24237077 48474154 72711231 145422462 169659539 315082001 339319078 508978617 630164002 945246003 1017957234 1890492006 2205574007 4411148014 6616722021 13233444042