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30742131745014 = 2331831991328653
BaseRepresentation
bin1101111110101101101011…
…10101111010000011110110
311000211220211000111120010120
412333112311311322003312
513012134341211320024
6145214423530032410
76322021453214454
oct677266565720366
9130756730446116
1030742131745014
119882734a19328
123546045878706
13141cc804b2911
14783cda00d9d4
15384a17aa1479
hex1bf5b5d7a0f6

30742131745014 has 32 divisors (see below), whose sum is σ = 64232297063424. Its totient is φ = 9797336967840.

The previous prime is 30742131744991. The next prime is 30742131745019. The reversal of 30742131745014 is 41054713124703.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30742131745019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995648889 + ... + 995679764.

It is an arithmetic number, because the mean of its divisors is an integer number (2007259283232).

Almost surely, 230742131745014 is an apocalyptic number.

30742131745014 is an abundant number, since it is smaller than the sum of its proper divisors (33490165318410).

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

30742131745014 is a wasteful number, since it uses less digits than its factorization.

30742131745014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991328772.

The product of its (nonzero) digits is 282240, while the sum is 42.

Adding to 30742131745014 its reverse (41054713124703), we get a palindrome (71796844869717).

The spelling of 30742131745014 in words is "thirty trillion, seven hundred forty-two billion, one hundred thirty-one million, seven hundred forty-five thousand, fourteen".

Divisors: 1 2 3 6 31 62 83 93 166 186 249 498 2573 5146 7719 15438 1991328653 3982657306 5973985959 11947971918 61731188243 123462376486 165280278199 185193564729 330560556398 370387129458 495840834597 991681669194 5123688624169 10247377248338 15371065872507 30742131745014