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314587881809 is a prime number
BaseRepresentation
bin1001001001111101110…
…01100010000101010001
31010002000011121012112222
410210332321202011101
520123233444204214
6400304130030425
731504531606115
oct4447671420521
91102004535488
10314587881809
11111463726873
1250b76a18415
1323886182636
1411324729745
1582b321938e
hex493ee62151

314587881809 has 2 divisors, whose sum is σ = 314587881810. Its totient is φ = 314587881808.

The previous prime is 314587881799. The next prime is 314587881871. The reversal of 314587881809 is 908188785413.

It is an a-pointer prime, because the next prime (314587881871) can be obtained adding 314587881809 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238433960209 + 76153921600 = 488297^2 + 275960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314587881809 is a prime.

It is a super-2 number, since 2×3145878818092 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314587889809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157293940904 + 157293940905.

It is an arithmetic number, because the mean of its divisors is an integer number (157293940905).

Almost surely, 2314587881809 is an apocalyptic number.

It is an amenable number.

314587881809 is a deficient number, since it is larger than the sum of its proper divisors (1).

314587881809 is an equidigital number, since it uses as much as digits as its factorization.

314587881809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 314587881809 in words is "three hundred fourteen billion, five hundred eighty-seven million, eight hundred eighty-one thousand, eight hundred nine".