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1423842379349 = 13297153193947
BaseRepresentation
bin10100101110000011100…
…111101000011001010101
312001010012000122011021212
4110232003213220121111
5141312012122114344
63010034255351205
7204604066351055
oct24560347503125
95033160564255
101423842379349
114a99369a3835
121abb49b22505
13a4363366750
144ccb2d35565
15270863b879e
hex14b839e8655

1423842379349 has 16 divisors (see below), whose sum is σ = 1608584987520. Its totient is φ = 1251121609920.

The previous prime is 1423842379321. The next prime is 1423842379357. The reversal of 1423842379349 is 9439732483241.

It is not a de Polignac number, because 1423842379349 - 28 = 1423842379093 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 (1423842379849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26570207 + ... + 26623740.

It is an arithmetic number, because the mean of its divisors is an integer number (100536561720).

Almost surely, 21423842379349 is an apocalyptic number.

It is an amenable number.

1423842379349 is a deficient number, since it is larger than the sum of its proper divisors (184742608171).

1423842379349 is a wasteful number, since it uses less digits than its factorization.

1423842379349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53194060.

The product of its digits is 31352832, while the sum is 59.

The spelling of 1423842379349 in words is "one trillion, four hundred twenty-three billion, eight hundred forty-two million, three hundred seventy-nine thousand, three hundred forty-nine".

Divisors: 1 13 29 71 377 923 2059 26767 53193947 691521311 1542624463 3776770237 20054118019 49098013081 109526336873 1423842379349