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42415239019 = 192232381001
BaseRepresentation
bin100111100000001001…
…010010111101101011
311001110222202101120111
4213200021102331223
51143331300122034
631252453435151
73031042403656
oct474011227553
9131428671514
1042415239019
1116a9632994a
12827893bab7
133ccc57558a
1420a527689d
151183a6d364
hex9e0252f6b

42415239019 has 4 divisors (see below), whose sum is σ = 44647620040. Its totient is φ = 40182858000.

The previous prime is 42415239017. The next prime is 42415239047. The reversal of 42415239019 is 91093251424.

42415239019 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 42415239019 - 21 = 42415239017 is a prime.

It is a super-2 number, since 2×424152390192 (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 (42415239017) 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, 1116190482 + ... + 1116190519.

It is an arithmetic number, because the mean of its divisors is an integer number (11161905010).

Almost surely, 242415239019 is an apocalyptic number.

42415239019 is a deficient number, since it is larger than the sum of its proper divisors (2232381021).

42415239019 is a wasteful number, since it uses less digits than its factorization.

42415239019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232381020.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 42415239019 in words is "forty-two billion, four hundred fifteen million, two hundred thirty-nine thousand, nineteen".

Divisors: 1 19 2232381001 42415239019