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451660331041 is a prime number
BaseRepresentation
bin1101001001010010000…
…11011011100000100001
31121011210222121002121221
412210221003123200201
524400000021043131
6543253452215041
744426364320023
oct6445103334041
91534728532557
10451660331041
11164603533767
127365016a481
133378c37866a
1417c09210013
15bb36e08411
hex69290db821

451660331041 has 2 divisors, whose sum is σ = 451660331042. Its totient is φ = 451660331040.

The previous prime is 451660330997. The next prime is 451660331051. The reversal of 451660331041 is 140133066154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450435611025 + 1224720016 = 671145^2 + 34996^2 .

It is a cyclic number.

It is not a de Polignac number, because 451660331041 - 213 = 451660322849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451660330988 and 451660331006.

It is not a weakly prime, because it can be changed into another prime (451660331051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225830165520 + 225830165521.

It is an arithmetic number, because the mean of its divisors is an integer number (225830165521).

Almost surely, 2451660331041 is an apocalyptic number.

It is an amenable number.

451660331041 is a deficient number, since it is larger than the sum of its proper divisors (1).

451660331041 is an equidigital number, since it uses as much as digits as its factorization.

451660331041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 451660331041 its reverse (140133066154), we get a palindrome (591793397195).

The spelling of 451660331041 in words is "four hundred fifty-one billion, six hundred sixty million, three hundred thirty-one thousand, forty-one".