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42383838361 = 311913588919
BaseRepresentation
bin100111011110010001…
…100000110010011001
311001101210200001222011
4213132101200302121
51143300230311421
631245412425521
73030211452604
oct473621406231
9131353601864
1042383838361
1116a7a632097
12826a3182a1
133cc5bccbc7
1420a102133b
151180e194e1
hex9de460c99

42383838361 has 4 divisors (see below), whose sum is σ = 42397430400. Its totient is φ = 42370246324.

The previous prime is 42383838323. The next prime is 42383838389. The reversal of 42383838361 is 16383838324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42383838361 is a prime.

It is a super-2 number, since 2×423838383612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42383838391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6791341 + ... + 6797578.

It is an arithmetic number, because the mean of its divisors is an integer number (10599357600).

Almost surely, 242383838361 is an apocalyptic number.

It is an amenable number.

42383838361 is a deficient number, since it is larger than the sum of its proper divisors (13592039).

42383838361 is a wasteful number, since it uses less digits than its factorization.

42383838361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592038.

The product of its digits is 1990656, while the sum is 49.

The spelling of 42383838361 in words is "forty-two billion, three hundred eighty-three million, eight hundred thirty-eight thousand, three hundred sixty-one".

Divisors: 1 3119 13588919 42383838361