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42012231443 = 713461672873
BaseRepresentation
bin100111001000000111…
…111100011100010011
311000102220102111002222
4213020013330130103
51142020112401233
631144455531255
73015050034530
oct471007743423
9130386374088
1042012231443
11168a989a336
128185989b2b
133c66c20060
14206792bd87
15115d4b3898
hex9c81fc713

42012231443 has 8 divisors (see below), whose sum is σ = 51707361888. Its totient is φ = 33240446784.

The previous prime is 42012231419. The next prime is 42012231449. The reversal of 42012231443 is 34413221024.

42012231443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42012231443 - 28 = 42012231187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42012231449) 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, 230836346 + ... + 230836527.

It is an arithmetic number, because the mean of its divisors is an integer number (6463420236).

Almost surely, 242012231443 is an apocalyptic number.

42012231443 is a deficient number, since it is larger than the sum of its proper divisors (9695130445).

42012231443 is a wasteful number, since it uses less digits than its factorization.

42012231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461672893.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42012231443 its reverse (34413221024), we get a palindrome (76425452467).

The spelling of 42012231443 in words is "forty-two billion, twelve million, two hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 7 13 91 461672873 3231710111 6001747349 42012231443