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51992183272 = 2360431075463
BaseRepresentation
bin110000011010111110…
…011100000111101000
311222012102110120022111
4300122332130013220
51322434444331042
635515044532104
73520262160151
oct603276340750
9158172416274
1051992183272
1120060260907
12a0b00b1034
134b9770b1b3
142733152928
151544711517
hexc1af9c1e8

51992183272 has 16 divisors (see below), whose sum is σ = 97501566240. Its totient is φ = 25991765616.

The previous prime is 51992183267. The next prime is 51992183273. The reversal of 51992183272 is 27238129915.

51992183272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51992183273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489388 + ... + 586075.

It is an arithmetic number, because the mean of its divisors is an integer number (6093847890).

Almost surely, 251992183272 is an apocalyptic number.

It is an amenable number.

51992183272 is a deficient number, since it is larger than the sum of its proper divisors (45509382968).

51992183272 is a wasteful number, since it uses less digits than its factorization.

51992183272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081512 (or 1081508 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The spelling of 51992183272 in words is "fifty-one billion, nine hundred ninety-two million, one hundred eighty-three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 6043 12086 24172 48344 1075463 2150926 4301852 8603704 6499022909 12998045818 25996091636 51992183272