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42873138887 = 107569704189
BaseRepresentation
bin100111111011011100…
…000010111011000111
311002122220101010002212
4213323130002323013
51200301010421022
631410132054035
73045302445005
oct477334027307
9132586333085
1042873138887
1117200850897
12838616431b
1340733a9c47
142109dcda75
1511add6c3e2
hex9fb702ec7

42873138887 has 8 divisors (see below), whose sum is σ = 43349936400. Its totient is φ = 42397751104.

The previous prime is 42873138883. The next prime is 42873139037. The reversal of 42873138887 is 78883137824.

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

It is a cyclic number.

It is not a de Polignac number, because 42873138887 - 22 = 42873138883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873138881) 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, 291212 + ... + 412977.

It is an arithmetic number, because the mean of its divisors is an integer number (5418742050).

Almost surely, 242873138887 is an apocalyptic number.

42873138887 is a deficient number, since it is larger than the sum of its proper divisors (476797513).

42873138887 is a wasteful number, since it uses less digits than its factorization.

42873138887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704865.

The product of its digits is 14450688, while the sum is 59.

The spelling of 42873138887 in words is "forty-two billion, eight hundred seventy-three million, one hundred thirty-eight thousand, eight hundred eighty-seven".

Divisors: 1 107 569 60883 704189 75348223 400683541 42873138887