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42020201191 = 311355490361
BaseRepresentation
bin100111001000100110…
…010110001011100111
311000110110102101112211
4213020212112023213
51142024132414231
631145342424251
73015204550123
oct471046261347
9130413371484
1042020201191
1116903343101
128188592087
133c68780797
142068a04583
15115e039eb1
hex9c89962e7

42020201191 has 4 divisors (see below), whose sum is σ = 43375691584. Its totient is φ = 40664710800.

The previous prime is 42020201159. The next prime is 42020201207. The reversal of 42020201191 is 19110202024.

42020201191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42020201191 - 25 = 42020201159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020201591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677745150 + ... + 677745211.

It is an arithmetic number, because the mean of its divisors is an integer number (10843922896).

Almost surely, 242020201191 is an apocalyptic number.

42020201191 is a deficient number, since it is larger than the sum of its proper divisors (1355490393).

42020201191 is a wasteful number, since it uses less digits than its factorization.

42020201191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355490392.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 42020201191 in words is "forty-two billion, twenty million, two hundred one thousand, one hundred ninety-one".

Divisors: 1 31 1355490361 42020201191