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13111144104342 = 2319133543861221
BaseRepresentation
bin1011111011001010110100…
…0101100100000110010110
31201102102011011202000202110
42332302231011210012112
53204303110342314332
643515102040251450
72522151242036124
oct276625505440626
951372134660673
1013111144104342
1141a5450049389
12157903b770b86
137414b6208a2b
14334823148914
1517b0b6e284cc
hexbecad164196

13111144104342 has 32 divisors (see below), whose sum is σ = 27602647384320. Its totient is φ = 4140325484640.

The previous prime is 13111144104319. The next prime is 13111144104349. The reversal of 13111144104342 is 24340144111131.

13111144104342 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-3 number, since 3×131111441043423 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111144104349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14793292 + ... + 15654512.

It is an arithmetic number, because the mean of its divisors is an integer number (862582730760).

Almost surely, 213111144104342 is an apocalyptic number.

13111144104342 is an abundant number, since it is smaller than the sum of its proper divisors (14491503279978).

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

13111144104342 is a wasteful number, since it uses less digits than its factorization.

13111144104342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994788.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 13111144104342 its reverse (24340144111131), we get a palindrome (37451288215473).

The spelling of 13111144104342 in words is "thirteen trillion, one hundred eleven billion, one hundred forty-four million, one hundred four thousand, three hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 133543 267086 400629 801258 861221 1722442 2537317 2583663 5074634 5167326 7611951 15223902 16363199 32726398 49089597 98179194 115010036003 230020072006 345030108009 690060216018 2185190684057 4370381368114 6555572052171 13111144104342