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20714814569 is a prime number
BaseRepresentation
bin10011010010101100…
…101111110001101001
31222110122120121111102
4103102230233301221
5314410443031234
613303302211145
71332222006251
oct232254576151
958418517442
1020714814569
11886aa77869
124021423ab5
131c51803137
1410071d8961
158138b7c7e
hex4d2b2fc69

20714814569 has 2 divisors, whose sum is σ = 20714814570. Its totient is φ = 20714814568.

The previous prime is 20714814511. The next prime is 20714814583. The reversal of 20714814569 is 96541841702.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14810890000 + 5903924569 = 121700^2 + 76837^2 .

It is a cyclic number.

It is not a de Polignac number, because 20714814569 - 228 = 20446379113 is a prime.

It is a super-2 number, since 2×207148145692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20714814469) 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, 10357407284 + 10357407285.

It is an arithmetic number, because the mean of its divisors is an integer number (10357407285).

Almost surely, 220714814569 is an apocalyptic number.

It is an amenable number.

20714814569 is a deficient number, since it is larger than the sum of its proper divisors (1).

20714814569 is an equidigital number, since it uses as much as digits as its factorization.

20714814569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 20714814569 in words is "twenty billion, seven hundred fourteen million, eight hundred fourteen thousand, five hundred sixty-nine".