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42389575423 = 139673372013
BaseRepresentation
bin100111011110100111…
…011001011011111111
311001102012110112201221
4213132213121123333
51143303212403143
631250135414211
73030311305666
oct473647313377
9131365415657
1042389575423
1116a828a0468
128270224367
133cc715b310
1420a1ab5ddd
15118169e2ed
hex9de9d96ff

42389575423 has 8 divisors (see below), whose sum is σ = 45697533728. Its totient is φ = 39088363104.

The previous prime is 42389575411. The next prime is 42389575447. The reversal of 42389575423 is 32457598324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42389575423 is a prime.

It is a super-2 number, since 2×423895754232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42389575493) 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, 1673436 + ... + 1698577.

It is an arithmetic number, because the mean of its divisors is an integer number (5712191716).

Almost surely, 242389575423 is an apocalyptic number.

42389575423 is a deficient number, since it is larger than the sum of its proper divisors (3307958305).

42389575423 is a wasteful number, since it uses less digits than its factorization.

42389575423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372993.

The product of its digits is 7257600, while the sum is 52.

The spelling of 42389575423 in words is "forty-two billion, three hundred eighty-nine million, five hundred seventy-five thousand, four hundred twenty-three".

Divisors: 1 13 967 12571 3372013 43836169 3260736571 42389575423