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42386836319 = 191148972
BaseRepresentation
bin100111011110011100…
…111100101101011111
311001102000022101101122
4213132130330231133
51143302012230234
631250001001155
73030246110162
oct473634745537
9131360271348
1042386836319
1116a8129a543
12826b3231bb
133cc670c649
1420a15a1ad9
15118130c92e
hex9de73cb5f

42386836319 has 6 divisors (see below), whose sum is σ = 42611617344. Its totient is φ = 42162085280.

The previous prime is 42386836301. The next prime is 42386836339. The reversal of 42386836319 is 91363868324.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-42386836319 is a prime.

It is a super-2 number, since 2×423868363192 (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 (42386836339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2837879 + ... + 2852775.

It is an arithmetic number, because the mean of its divisors is an integer number (7101936224).

Almost surely, 242386836319 is an apocalyptic number.

42386836319 is a deficient number, since it is larger than the sum of its proper divisors (224781025).

42386836319 is an frugal number, since it uses more digits than its factorization.

42386836319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29985 (or 15088 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The spelling of 42386836319 in words is "forty-two billion, three hundred eighty-six million, eight hundred thirty-six thousand, three hundred nineteen".

Divisors: 1 191 14897 2845327 221920609 42386836319