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42845130843 = 318317799951
BaseRepresentation
bin100111111001110001…
…001101000001011011
311002120221200011021220
4213321301031001123
51200221323141333
631403251503123
73044512413624
oct477161150133
9132527604256
1042845130843
1117196a60a49
1283788b7aa3
13406a651838
1421063bca4b
1511ab6888b3
hex9f9c4d05b

42845130843 has 8 divisors (see below), whose sum is σ = 57158048256. Its totient is φ = 28547817000.

The previous prime is 42845130829. The next prime is 42845130859. The reversal of 42845130843 is 34803154824.

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

It is not a de Polignac number, because 42845130843 - 230 = 41771389019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42845130795 and 42845130804.

It is not an unprimeable number, because it can be changed into a prime (42845130803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894483 + ... + 3905468.

It is an arithmetic number, because the mean of its divisors is an integer number (7144756032).

Almost surely, 242845130843 is an apocalyptic number.

42845130843 is a deficient number, since it is larger than the sum of its proper divisors (14312917413).

42845130843 is a wasteful number, since it uses less digits than its factorization.

42845130843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801785.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 42845130843 in words is "forty-two billion, eight hundred forty-five million, one hundred thirty thousand, eight hundred forty-three".

Divisors: 1 3 1831 5493 7799951 23399853 14281710281 42845130843