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51064711 is a prime number
BaseRepresentation
bin1100001011001…
…0111110000111
310120002100121121
43002302332013
5101033032321
65022254411
71160020465
oct302627607
9116070547
1051064711
1126908745
1215127407
13a76bc09
146ad3835
15473a441
hex30b2f87

51064711 has 2 divisors, whose sum is σ = 51064712. Its totient is φ = 51064710.

The previous prime is 51064709. The next prime is 51064751. The reversal of 51064711 is 11746015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51064711 - 21 = 51064709 is a prime.

Together with 51064709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51064751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532355 + 25532356.

It is an arithmetic number, because the mean of its divisors is an integer number (25532356).

Almost surely, 251064711 is an apocalyptic number.

51064711 is a deficient number, since it is larger than the sum of its proper divisors (1).

51064711 is an equidigital number, since it uses as much as digits as its factorization.

51064711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 51064711 is about 7145.9576685004. The cubic root of 51064711 is about 370.9997578239. Note that the first 3 decimals are identical.

The spelling of 51064711 in words is "fifty-one million, sixty-four thousand, seven hundred eleven".