Search a number
-
+
20107010071 is a prime number
BaseRepresentation
bin10010101110011110…
…001010000000010111
31220220021212221110201
4102232132022000113
5312134343310241
613123111001331
71311161523421
oct225636120027
956807787421
1020107010071
1185889792a5
123a91969247
131b859040c5
14d8a5bd811
157ca357931
hex4ae78a017

20107010071 has 2 divisors, whose sum is σ = 20107010072. Its totient is φ = 20107010070.

The previous prime is 20107010047. The next prime is 20107010087. The reversal of 20107010071 is 17001070102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20107010071 - 223 = 20098621463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20107010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053505035 + 10053505036.

It is an arithmetic number, because the mean of its divisors is an integer number (10053505036).

Almost surely, 220107010071 is an apocalyptic number.

20107010071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107010071 is an equidigital number, since it uses as much as digits as its factorization.

20107010071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 19.

Adding to 20107010071 its reverse (17001070102), we get a palindrome (37108080173).

The spelling of 20107010071 in words is "twenty billion, one hundred seven million, ten thousand, seventy-one".