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51929960966 = 21310718666413
BaseRepresentation
bin110000010111010001…
…000101001000000110
311222001002101100100122
4300113101011020012
51322323032222331
635504543141542
73515605246052
oct602721051006
9158032340318
1051929960966
1120029122314
12a0932a48b2
134b87863870
142728b96c62
15153e02017b
hexc17445206

51929960966 has 16 divisors (see below), whose sum is σ = 84670853904. Its totient is φ = 23743676064.

The previous prime is 51929960917. The next prime is 51929961103. The reversal of 51929960966 is 66906992915.

It is a junction number, because it is equal to n+sod(n) for n = 51929960899 and 51929960908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9330425 + ... + 9335988.

It is an arithmetic number, because the mean of its divisors is an integer number (5291928369).

Almost surely, 251929960966 is an apocalyptic number.

51929960966 is a deficient number, since it is larger than the sum of its proper divisors (32740892938).

51929960966 is a wasteful number, since it uses less digits than its factorization.

51929960966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666535.

The product of its (nonzero) digits is 14171760, while the sum is 62.

The spelling of 51929960966 in words is "fifty-one billion, nine hundred twenty-nine million, nine hundred sixty thousand, nine hundred sixty-six".

Divisors: 1 2 13 26 107 214 1391 2782 18666413 37332826 242663369 485326738 1997306191 3994612382 25964980483 51929960966