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51324566143 is a prime number
BaseRepresentation
bin101111110011001011…
…101011101001111111
311220110220020002210011
4233303023223221333
51320103042104033
635324515324051
73464604420424
oct576313535177
9156426202704
1051324566143
111a84841a214
129b445b0627
134abc2c9586
1426ac607d4b
151505cd8ccd
hexbf32eba7f

51324566143 has 2 divisors, whose sum is σ = 51324566144. Its totient is φ = 51324566142.

The previous prime is 51324566141. The next prime is 51324566149. The reversal of 51324566143 is 34166542315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51324566143 - 21 = 51324566141 is a prime.

It is a super-2 number, since 2×513245661432 (a number of 22 digits) contains 22 as substring.

Together with 51324566141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51324566096 and 51324566105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51324566141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662283071 + 25662283072.

It is an arithmetic number, because the mean of its divisors is an integer number (25662283072).

Almost surely, 251324566143 is an apocalyptic number.

51324566143 is a deficient number, since it is larger than the sum of its proper divisors (1).

51324566143 is an equidigital number, since it uses as much as digits as its factorization.

51324566143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 51324566143 in words is "fifty-one billion, three hundred twenty-four million, five hundred sixty-six thousand, one hundred forty-three".