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42887249079 = 314519852343
BaseRepresentation
bin100111111100010001…
…110111110010110111
311002200212220222122120
4213330101313302313
51200313113432304
631411354331023
73045533413413
oct477421676267
9132625828576
1042887249079
1117208809004
12838aa29a73
1340762aa57c
14210bc23d43
1511b02080d9
hex9fc477cb7

42887249079 has 8 divisors (see below), whose sum is σ = 57222413952. Its totient is φ = 28571791800.

The previous prime is 42887249071. The next prime is 42887249081. The reversal of 42887249079 is 97094278824.

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

It is not a de Polignac number, because 42887249079 - 23 = 42887249071 is a prime.

It is a super-2 number, since 2×428872490792 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42887249071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4921819 + ... + 4930524.

It is an arithmetic number, because the mean of its divisors is an integer number (7152801744).

Almost surely, 242887249079 is an apocalyptic number.

42887249079 is a deficient number, since it is larger than the sum of its proper divisors (14335164873).

42887249079 is a wasteful number, since it uses less digits than its factorization.

42887249079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9853797.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 42887249079 in words is "forty-two billion, eight hundred eighty-seven million, two hundred forty-nine thousand, seventy-nine".

Divisors: 1 3 1451 4353 9852343 29557029 14295749693 42887249079