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1206141613 is a prime number
BaseRepresentation
bin100011111100100…
…0100001010101101
310010001120100020121
41013321010022231
54432233012423
6315403444541
741614014565
oct10771041255
93101510217
101206141613
11569921056
12297b26751
13162b64a81
14b628bda5
1570d5045d
hex47e442ad

1206141613 has 2 divisors, whose sum is σ = 1206141614. Its totient is φ = 1206141612.

The previous prime is 1206141611. The next prime is 1206141631. The reversal of 1206141613 is 3161416021.

1206141613 = 245572 + 245582.

Together with next prime (1206141631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603095364 + 603046249 = 24558^2 + 24557^2 .

It is an emirp because it is prime and its reverse (3161416021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206141613 - 21 = 1206141611 is a prime.

It is a super-2 number, since 2×12061416132 = 2909555181220483538, which contains 22 as substring.

Together with 1206141611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206141611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603070806 + 603070807.

It is an arithmetic number, because the mean of its divisors is an integer number (603070807).

Almost surely, 21206141613 is an apocalyptic number.

1206141613 is the 24558-th centered square number.

It is an amenable number.

1206141613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206141613 is an equidigital number, since it uses as much as digits as its factorization.

1206141613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1206141613 is about 34729.5495651758. The cubic root of 1206141613 is about 1064.4683844902.

Adding to 1206141613 its reverse (3161416021), we get a palindrome (4367557634).

The spelling of 1206141613 in words is "one billion, two hundred six million, one hundred forty-one thousand, six hundred thirteen".