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1300212247 is a prime number
BaseRepresentation
bin100110101111111…
…1010101000010111
310100121120121220011
41031133322220113
510130323242442
6333004021051
744135423155
oct11537725027
93317517804
101300212247
11607a32784
12303531787
131794b0779
14c49783d5
1579233117
hex4d7faa17

1300212247 has 2 divisors, whose sum is σ = 1300212248. Its totient is φ = 1300212246.

The previous prime is 1300212223. The next prime is 1300212269. The reversal of 1300212247 is 7422120031.

It is an a-pointer prime, because the next prime (1300212269) can be obtained adding 1300212247 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (7422120031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300212247 - 227 = 1165994519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650106123 + 650106124.

It is an arithmetic number, because the mean of its divisors is an integer number (650106124).

Almost surely, 21300212247 is an apocalyptic number.

1300212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300212247 is an equidigital number, since it uses as much as digits as its factorization.

1300212247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1300212247 is about 36058.4559708260. The cubic root of 1300212247 is about 1091.4522759482.

Adding to 1300212247 its reverse (7422120031), we get a palindrome (8722332278).

The spelling of 1300212247 in words is "one billion, three hundred million, two hundred twelve thousand, two hundred forty-seven".