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20101340101 is a prime number
BaseRepresentation
bin10010101110001000…
…100001101111000101
31220212220012212201211
4102232020201233011
5312131420340401
613122345251421
71311062400043
oct225610415705
956786185654
1020101340101
118585756377
123a8ba93b71
131b8469a3ab
14d89945393
157c9ad7951
hex4ae221bc5

20101340101 has 2 divisors, whose sum is σ = 20101340102. Its totient is φ = 20101340100.

The previous prime is 20101340099. The next prime is 20101340159. The reversal of 20101340101 is 10104310102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18940915876 + 1160424225 = 137626^2 + 34065^2 .

It is a cyclic number.

It is not a de Polignac number, because 20101340101 - 21 = 20101340099 is a prime.

Together with 20101340099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111340101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050670050 + 10050670051.

It is an arithmetic number, because the mean of its divisors is an integer number (10050670051).

Almost surely, 220101340101 is an apocalyptic number.

It is an amenable number.

20101340101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101340101 is an equidigital number, since it uses as much as digits as its factorization.

20101340101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20101340101 its reverse (10104310102), we get a palindrome (30205650203).

The spelling of 20101340101 in words is "twenty billion, one hundred one million, three hundred forty thousand, one hundred one".