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42718839186 = 237119806531
BaseRepresentation
bin100111110010001111…
…011100000110010010
311002021011000212201010
4213302033130012102
51144442010323221
631342540551350
73041420066442
oct476217340622
9132234025633
1042718839186
1117131742181
128342552556
13404a433c4a
1420d3706122
1511a053dc76
hex9f23dc192

42718839186 has 8 divisors (see below), whose sum is σ = 85437678384. Its totient is φ = 14239613060.

The previous prime is 42718839157. The next prime is 42718839197. The reversal of 42718839186 is 68193881724.

42718839186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42718839186 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559903260 + ... + 3559903271.

It is an arithmetic number, because the mean of its divisors is an integer number (10679709798).

Almost surely, 242718839186 is an apocalyptic number.

42718839186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42718839186 is a wasteful number, since it uses less digits than its factorization.

42718839186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119806536.

The product of its digits is 4644864, while the sum is 57.

The spelling of 42718839186 in words is "forty-two billion, seven hundred eighteen million, eight hundred thirty-nine thousand, one hundred eighty-six".

Divisors: 1 2 3 6 7119806531 14239613062 21359419593 42718839186