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51035566045 = 529757464953
BaseRepresentation
bin101111100001111101…
…001110111111011101
311212201202102101011211
4233201331032333131
51314010101103140
635240113144421
73454465103512
oct574175167735
9155652371154
1051035566045
111a70a279162
129a8385b111
134a744804b9
142682099309
1514da74e2ea
hexbe1f4efdd

51035566045 has 16 divisors (see below), whose sum is σ = 63438323760. Its totient is φ = 39368415744.

The previous prime is 51035566013. The next prime is 51035566067. The reversal of 51035566045 is 54066553015.

It can be written as a sum of positive squares in 8 ways, for example, as 5659641 + 51029906404 = 2379^2 + 225898^2 .

It is a cyclic number.

It is not a de Polignac number, because 51035566045 - 25 = 51035566013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51035565989 and 51035566007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122712 + ... + 342241.

It is an arithmetic number, because the mean of its divisors is an integer number (3964895235).

Almost surely, 251035566045 is an apocalyptic number.

It is an amenable number.

51035566045 is a deficient number, since it is larger than the sum of its proper divisors (12402757715).

51035566045 is a wasteful number, since it uses less digits than its factorization.

51035566045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465744.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 51035566045 in words is "fifty-one billion, thirty-five million, five hundred sixty-six thousand, forty-five".

Divisors: 1 5 29 145 757 3785 21953 109765 464953 2324765 13483637 67418185 351969421 1759847105 10207113209 51035566045