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538376801471 = 8812286126731
BaseRepresentation
bin1111101010110011100…
…00100000110010111111
31220110122101221012221222
413311121300200302333
532310043430121341
61051154335143555
753616323210045
oct7653160406277
91813571835858
10538376801471
1119836273a453
1288411374bbb
133b9cbb34322
141c0b3dbc395
15e00ed8744b
hex7d59c20cbf

538376801471 has 8 divisors (see below), whose sum is σ = 539031639888. Its totient is φ = 537722064000.

The previous prime is 538376801453. The next prime is 538376801491. The reversal of 538376801471 is 174108673835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538376801471 is a prime.

It is a super-4 number, since 4×5383768014714 (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538376801491) 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, 20127176 + ... + 20153906.

It is an arithmetic number, because the mean of its divisors is an integer number (67378954986).

Almost surely, 2538376801471 is an apocalyptic number.

538376801471 is a deficient number, since it is larger than the sum of its proper divisors (654838417).

538376801471 is a wasteful number, since it uses less digits than its factorization.

538376801471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50473.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 538376801471 in words is "five hundred thirty-eight billion, three hundred seventy-six million, eight hundred one thousand, four hundred seventy-one".

Divisors: 1 881 22861 26731 20140541 23550011 611097391 538376801471