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42782738273734 = 2212686310057709
BaseRepresentation
bin10011011101001001000011…
…11010101101010111000110
312121110222201120221001102011
421232210201322231113012
521101423021444224414
6230554041343004434
712003644065101214
oct1156444172552706
9177428646831364
1042782738273734
11126a506a459178
12496b6b859971a
131ab45197c8194
14a7c9a4961cb4
154e2d25865dc4
hex26e921ead5c6

42782738273734 has 8 divisors (see below), whose sum is σ = 64174143964320. Its totient is φ = 21391356952296.

The previous prime is 42782738273731. The next prime is 42782738273753. The reversal of 42782738273734 is 43737283728724.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42782738273734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42782738273731) 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, 775129 + ... + 9282580.

It is an arithmetic number, because the mean of its divisors is an integer number (8021767995540).

Almost surely, 242782738273734 is an apocalyptic number.

42782738273734 is a deficient number, since it is larger than the sum of its proper divisors (21391405690586).

42782738273734 is a wasteful number, since it uses less digits than its factorization.

42782738273734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184574.

The product of its digits is 531062784, while the sum is 67.

The spelling of 42782738273734 in words is "forty-two trillion, seven hundred eighty-two billion, seven hundred thirty-eight million, two hundred seventy-three thousand, seven hundred thirty-four".

Divisors: 1 2 2126863 4253726 10057709 20115418 21391369136867 42782738273734