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42730703571809 = 1131125309981149
BaseRepresentation
bin10011011011101000001000…
…11010000100101101100001
312121022000102012110022110202
421231310010122010231201
521100044440103244214
6230514114134434545
712000122445322661
oct1155640432045541
9177260365408422
1042730703571809
1112684a981a7490
1249615b6202a55
131aac646350c26
14a7a269d021a1
154e17cc5566de
hex26dd04684b61

42730703571809 has 8 divisors (see below), whose sum is σ = 48119032761600. Its totient is φ = 37592994344400.

The previous prime is 42730703571727. The next prime is 42730703571847. The reversal of 42730703571809 is 90817530703724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42730703571809 - 244 = 25138517527393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42730703571859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62654990234 + ... + 62654990915.

It is an arithmetic number, because the mean of its divisors is an integer number (6014879095200).

Almost surely, 242730703571809 is an apocalyptic number.

It is an amenable number.

42730703571809 is a deficient number, since it is larger than the sum of its proper divisors (5388329189791).

42730703571809 is a wasteful number, since it uses less digits than its factorization.

42730703571809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125309981191.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 42730703571809 in words is "forty-two trillion, seven hundred thirty billion, seven hundred three million, five hundred seventy-one thousand, eight hundred nine".

Divisors: 1 11 31 341 125309981149 1378409792639 3884609415619 42730703571809