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1005142097 is a prime number
BaseRepresentation
bin111011111010010…
…100000001010001
32121001100111202002
4323322110001101
54024304021342
6243423403345
733623365301
oct7372240121
92531314662
101005142097
11476416153
12240753555
1313031a84b
14976c9601
155d399d32
hex3be94051

1005142097 has 2 divisors, whose sum is σ = 1005142098. Its totient is φ = 1005142096.

The previous prime is 1005142091. The next prime is 1005142133. The reversal of 1005142097 is 7902415001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973377601 + 31764496 = 31199^2 + 5636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005142097 - 216 = 1005076561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005142091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502571048 + 502571049.

It is an arithmetic number, because the mean of its divisors is an integer number (502571049).

Almost surely, 21005142097 is an apocalyptic number.

It is an amenable number.

1005142097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005142097 is an equidigital number, since it uses as much as digits as its factorization.

1005142097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1005142097 is about 31703.9760440232. The cubic root of 1005142097 is about 1001.7111027906.

Adding to 1005142097 its reverse (7902415001), we get a palindrome (8907557098).

The spelling of 1005142097 in words is "one billion, five million, one hundred forty-two thousand, ninety-seven".