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65472968461 is a prime number
BaseRepresentation
bin111100111110011111…
…100011011100001101
320020222220221102001211
4330332133203130031
52033042034442321
650024452534421
74505324022655
oct747637433415
9206886842054
1065472968461
112584886929a
1210832921411
136235598074
1432516b1365
151a82e830e1
hexf3e7e370d

65472968461 has 2 divisors, whose sum is σ = 65472968462. Its totient is φ = 65472968460.

The previous prime is 65472968389. The next prime is 65472968503. The reversal of 65472968461 is 16486927456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36157022500 + 29315945961 = 190150^2 + 171219^2 .

It is a cyclic number.

It is not a de Polignac number, because 65472968461 - 27 = 65472968333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65472968396 and 65472968405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65472968261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32736484230 + 32736484231.

It is an arithmetic number, because the mean of its divisors is an integer number (32736484231).

Almost surely, 265472968461 is an apocalyptic number.

It is an amenable number.

65472968461 is a deficient number, since it is larger than the sum of its proper divisors (1).

65472968461 is an equidigital number, since it uses as much as digits as its factorization.

65472968461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 65472968461 in words is "sixty-five billion, four hundred seventy-two million, nine hundred sixty-eight thousand, four hundred sixty-one".