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14747961209 is a prime number
BaseRepresentation
bin11011011110000110…
…00000011101111001
31102001210220001110112
431233003000131321
5220200434224314
610435231554105
71031316413312
oct155703003571
942053801415
1014747961209
1162889265a3
122a3708b935
131510571687
149dc977609
155b4b2b43e
hex36f0c0779

14747961209 has 2 divisors, whose sum is σ = 14747961210. Its totient is φ = 14747961208.

The previous prime is 14747961197. The next prime is 14747961247. The reversal of 14747961209 is 90216974741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14534713600 + 213247609 = 120560^2 + 14603^2 .

It is an emirp because it is prime and its reverse (90216974741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14747961209 is a prime.

It is not a weakly prime, because it can be changed into another prime (14747960209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7373980604 + 7373980605.

It is an arithmetic number, because the mean of its divisors is an integer number (7373980605).

Almost surely, 214747961209 is an apocalyptic number.

It is an amenable number.

14747961209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14747961209 is an equidigital number, since it uses as much as digits as its factorization.

14747961209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 14747961209 in words is "fourteen billion, seven hundred forty-seven million, nine hundred sixty-one thousand, two hundred nine".