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51064375727 = 237432988143
BaseRepresentation
bin101111100011101011…
…001000100110101111
311212210202122001122002
4233203223020212233
51314034440010402
635243022442515
73455265013661
oct574353104657
9155722561562
1051064375727
111a724566312
129a9143343b
134a7a429751
142685c38531
1514dd040602
hexbe3ac89af

51064375727 has 8 divisors (see below), whose sum is σ = 53356299264. Its totient is φ = 48778430008.

The previous prime is 51064375709. The next prime is 51064375741. The reversal of 51064375727 is 72757346015.

It is a happy number.

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 51064375727 - 228 = 50795940271 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 (51064375627) 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, 1476983 + ... + 1511160.

It is an arithmetic number, because the mean of its divisors is an integer number (6669537408).

Almost surely, 251064375727 is an apocalyptic number.

51064375727 is a deficient number, since it is larger than the sum of its proper divisors (2291923537).

51064375727 is a wasteful number, since it uses less digits than its factorization.

51064375727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988909.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 51064375727 in words is "fifty-one billion, sixty-four million, three hundred seventy-five thousand, seven hundred twenty-seven".

Divisors: 1 23 743 17089 2988143 68727289 2220190249 51064375727