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1305300677 is a prime number
BaseRepresentation
bin100110111001101…
…0100111011000101
310100222011010220112
41031303110323011
510133124110202
6333305042405
744226605222
oct11563247305
93328133815
101305300677
1160a89879a
12305186405
1317a572885
14c5500949
15798dab52
hex4dcd4ec5

1305300677 has 2 divisors, whose sum is σ = 1305300678. Its totient is φ = 1305300676.

The previous prime is 1305300673. The next prime is 1305300679. The reversal of 1305300677 is 7760035031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972566596 + 332734081 = 31186^2 + 18241^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305300677 - 22 = 1305300673 is a prime.

Together with 1305300679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305300671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652650338 + 652650339.

It is an arithmetic number, because the mean of its divisors is an integer number (652650339).

Almost surely, 21305300677 is an apocalyptic number.

It is an amenable number.

1305300677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305300677 is an equidigital number, since it uses as much as digits as its factorization.

1305300677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 1305300677 is about 36128.9451409808. The cubic root of 1305300677 is about 1092.8742359023.

The spelling of 1305300677 in words is "one billion, three hundred five million, three hundred thousand, six hundred seventy-seven".