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101200102061 is a prime number
BaseRepresentation
bin101111000111111111…
…1110000001010101101
3100200012210211211210012
41132033333300022231
53124224211231221
6114253553223005
710211555450222
oct1361777601255
9320183754705
10101200102061
1139a11901593
1217743861a65
13970a33b4c6
144c805b9949
15297479565b
hex178fff02ad

101200102061 has 2 divisors, whose sum is σ = 101200102062. Its totient is φ = 101200102060.

The previous prime is 101200102049. The next prime is 101200102063. The reversal of 101200102061 is 160201002101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100965062500 + 235039561 = 317750^2 + 15331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101200102061 is a prime.

Together with 101200102063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101200102063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600051030 + 50600051031.

It is an arithmetic number, because the mean of its divisors is an integer number (50600051031).

Almost surely, 2101200102061 is an apocalyptic number.

It is an amenable number.

101200102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200102061 is an equidigital number, since it uses as much as digits as its factorization.

101200102061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101200102061 its reverse (160201002101), we get a palindrome (261401104162).

The spelling of 101200102061 in words is "one hundred one billion, two hundred million, one hundred two thousand, sixty-one".