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42279547774 = 2171243516111
BaseRepresentation
bin100111011000000011…
…101011001101111110
311001010112102120011211
4213120003223031332
51143042031012044
631231205235034
73024504140452
oct473003531576
9131115376154
1042279547774
1116a26780022
12823b402a7a
133caa4164b9
142091234662
151176bb8634
hex9d80eb37e

42279547774 has 8 divisors (see below), whose sum is σ = 67149870048. Its totient is φ = 19896257760.

The previous prime is 42279547753. The next prime is 42279547777. The reversal of 42279547774 is 47774597224.

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

It is a super-3 number, since 3×422795477743 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42279547777) 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, 621758022 + ... + 621758089.

It is an arithmetic number, because the mean of its divisors is an integer number (8393733756).

Almost surely, 242279547774 is an apocalyptic number.

42279547774 is a deficient number, since it is larger than the sum of its proper divisors (24870322274).

42279547774 is a wasteful number, since it uses less digits than its factorization.

42279547774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243516130.

The product of its digits is 27659520, while the sum is 58.

The spelling of 42279547774 in words is "forty-two billion, two hundred seventy-nine million, five hundred forty-seven thousand, seven hundred seventy-four".

Divisors: 1 2 17 34 1243516111 2487032222 21139773887 42279547774