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1308200801 is a prime number
BaseRepresentation
bin100110111111001…
…1000111101100001
310101011121111010112
41031332120331201
510134344411201
6333451141105
744263344335
oct11576307541
93334544115
101308200801
11611499696
12306144795
1317b04991b
14c5a577c5
1579cb00bb
hex4df98f61

1308200801 has 2 divisors, whose sum is σ = 1308200802. Its totient is φ = 1308200800.

The previous prime is 1308200797. The next prime is 1308200809. The reversal of 1308200801 is 1080028031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888934225 + 419266576 = 29815^2 + 20476^2 .

It is an emirp because it is prime and its reverse (1080028031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1308200801 - 22 = 1308200797 is a prime.

It is a super-2 number, since 2×13082008012 = 3422778671474083202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1308200809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654100400 + 654100401.

It is an arithmetic number, because the mean of its divisors is an integer number (654100401).

Almost surely, 21308200801 is an apocalyptic number.

It is an amenable number.

1308200801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308200801 is an equidigital number, since it uses as much as digits as its factorization.

1308200801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1308200801 is about 36169.0586136825. The cubic root of 1308200801 is about 1093.6830218098.

Adding to 1308200801 its reverse (1080028031), we get a palindrome (2388228832).

The spelling of 1308200801 in words is "one billion, three hundred eight million, two hundred thousand, eight hundred one".