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512064056521 is a prime number
BaseRepresentation
bin1110111001110010110…
…01010110110011001001
31210221201121212021121201
413130321121112303021
531342201344302041
61031123341504201
751665265443653
oct7347131266311
91727647767551
10512064056521
1118818a8a0746
12832a9272061
133939764ca64
141aad95576d3
15d4bed08631
hex7739656cc9

512064056521 has 2 divisors, whose sum is σ = 512064056522. Its totient is φ = 512064056520.

The previous prime is 512064056509. The next prime is 512064056527. The reversal of 512064056521 is 125650460215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465753016521 + 46311040000 = 682461^2 + 215200^2 .

It is a cyclic number.

It is not a de Polignac number, because 512064056521 - 25 = 512064056489 is a prime.

It is not a weakly prime, because it can be changed into another prime (512064056527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256032028260 + 256032028261.

It is an arithmetic number, because the mean of its divisors is an integer number (256032028261).

Almost surely, 2512064056521 is an apocalyptic number.

It is an amenable number.

512064056521 is a deficient number, since it is larger than the sum of its proper divisors (1).

512064056521 is an equidigital number, since it uses as much as digits as its factorization.

512064056521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 512064056521 in words is "five hundred twelve billion, sixty-four million, fifty-six thousand, five hundred twenty-one".