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42142634201 = 1916713281637
BaseRepresentation
bin100111001111111001…
…011001000011011001
311000202222210122001202
4213033321121003121
51142302003243301
631205434523545
73021222323513
oct471771310331
9130688718052
1042142634201
1116966466908
1282015965b5
133c87c49c55
14207ad94bb3
151169b7166b
hex9cfe590d9

42142634201 has 8 divisors (see below), whose sum is σ = 44626303680. Its totient is φ = 39685528368.

The previous prime is 42142634167. The next prime is 42142634213. The reversal of 42142634201 is 10243624124.

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 42142634201 - 214 = 42142617817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42142634221) 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, 6637646 + ... + 6643991.

It is an arithmetic number, because the mean of its divisors is an integer number (5578287960).

Almost surely, 242142634201 is an apocalyptic number.

It is an amenable number.

42142634201 is a deficient number, since it is larger than the sum of its proper divisors (2483669479).

42142634201 is a wasteful number, since it uses less digits than its factorization.

42142634201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281823.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 42142634201 in words is "forty-two billion, one hundred forty-two million, six hundred thirty-four thousand, two hundred one".

Divisors: 1 19 167 3173 13281637 252351103 2218033379 42142634201