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1081538041 is a prime number
BaseRepresentation
bin100000001110110…
…1111010111111001
32210101002211021111
41000131233113321
54203333204131
6255153040321
735541631063
oct10035572771
92711084244
101081538041
115055555a1
122622560a1
131430b864c
14a38d4733
1564e3aab1
hex4076f5f9

1081538041 has 2 divisors, whose sum is σ = 1081538042. Its totient is φ = 1081538040.

The previous prime is 1081537999. The next prime is 1081538047. The reversal of 1081538041 is 1408351801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065369600 + 16168441 = 32640^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081538041 - 29 = 1081537529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081537994 and 1081538012.

It is not a weakly prime, because it can be changed into another prime (1081538047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540769020 + 540769021.

It is an arithmetic number, because the mean of its divisors is an integer number (540769021).

Almost surely, 21081538041 is an apocalyptic number.

It is an amenable number.

1081538041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081538041 is an equidigital number, since it uses as much as digits as its factorization.

1081538041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1081538041 is about 32886.7456735993. The cubic root of 1081538041 is about 1026.4723764549.

Adding to 1081538041 its reverse (1408351801), we get a palindrome (2489889842).

The spelling of 1081538041 in words is "one billion, eighty-one million, five hundred thirty-eight thousand, forty-one".