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13321013132442 = 237952153941273
BaseRepresentation
bin1100000111011000101001…
…0000010111110010011010
31202011110212022100021201010
43001312022100113302122
53221222413330214232
644155331114034350
72543261060245611
oct301661220276232
952143768307633
1013321013132442
1142764566a9454
1215b18504189b6
137582210493b2
14340a51c18878
1518179b9d90cc
hexc1d8a417c9a

13321013132442 has 32 divisors (see below), whose sum is σ = 27031051226880. Its totient is φ = 4375715984640.

The previous prime is 13321013132389. The next prime is 13321013132513. The reversal of 13321013132442 is 24423131012331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26723683 + ... + 27217590.

It is an arithmetic number, because the mean of its divisors is an integer number (844720350840).

Almost surely, 213321013132442 is an apocalyptic number.

13321013132442 is an abundant number, since it is smaller than the sum of its proper divisors (13710038094438).

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

13321013132442 is a wasteful number, since it uses less digits than its factorization.

13321013132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53941878.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13321013132442 its reverse (24423131012331), we get a palindrome (37744144144773).

The spelling of 13321013132442 in words is "thirteen trillion, three hundred twenty-one billion, thirteen million, one hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 79 158 237 474 521 1042 1563 3126 41159 82318 123477 246954 53941273 107882546 161823819 323647638 4261360567 8522721134 12784081701 25568163402 28103403233 56206806466 84310209699 168620419398 2220168855407 4440337710814 6660506566221 13321013132442