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3000280069 is a prime number
BaseRepresentation
bin1011001011010100…
…1010010000000101
321202002120000112001
42302311022100011
522121032430234
61213414225301
7134230650133
oct26265122005
97662500461
103000280069
1112aa641906
126b8955231
1338a781b67
1420667a753
151285ebd14
hexb2d4a405

3000280069 has 2 divisors, whose sum is σ = 3000280070. Its totient is φ = 3000280068.

The previous prime is 3000280061. The next prime is 3000280079. The reversal of 3000280069 is 9600820003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2963495844 + 36784225 = 54438^2 + 6065^2 .

It is an emirp because it is prime and its reverse (9600820003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3000280069 - 23 = 3000280061 is a prime.

It is a super-2 number, since 2×30002800692 = 18003360984877289522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3000280061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500140034 + 1500140035.

It is an arithmetic number, because the mean of its divisors is an integer number (1500140035).

Almost surely, 23000280069 is an apocalyptic number.

It is an amenable number.

3000280069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000280069 is an equidigital number, since it uses as much as digits as its factorization.

3000280069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3000280069 is about 54774.8123593317. The cubic root of 3000280069 is about 1442.2944499547.

The spelling of 3000280069 in words is "three billion, two hundred eighty thousand, sixty-nine".