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51304254043 = 719232729199
BaseRepresentation
bin101111110001111110…
…001100101001011011
311220102111000010211011
4233301332030221123
51320032342112133
635322512114351
73464236651450
oct576176145133
9156374003734
1051304254043
111a837a06459
129b398359b7
134ab8037093
1426a9a3b827
1515041256cd
hexbf1f8ca5b

51304254043 has 24 divisors (see below), whose sum is σ = 64519616000. Its totient is φ = 39849212304.

The previous prime is 51304253989. The next prime is 51304254059. The reversal of 51304254043 is 34045240315.

It is not a de Polignac number, because 51304254043 - 217 = 51304122971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51304253996 and 51304254014.

It is not an unprimeable number, because it can be changed into a prime (51304254943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294243 + ... + 434956.

Almost surely, 251304254043 is an apocalyptic number.

51304254043 is a deficient number, since it is larger than the sum of its proper divisors (13215361957).

51304254043 is a wasteful number, since it uses less digits than its factorization.

51304254043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729271 (or 729248 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 51304254043 its reverse (34045240315), we get a palindrome (85349494358).

The spelling of 51304254043 in words is "fifty-one billion, three hundred four million, two hundred fifty-four thousand, forty-three".

Divisors: 1 7 19 23 133 161 437 529 3059 3703 10051 70357 729199 5104393 13854781 16771577 96983467 117401039 318659963 385746271 2230619741 2700223897 7329179149 51304254043