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2105060161 is a prime number
BaseRepresentation
bin111110101111000…
…1010101101000001
312102201001010200011
41331132022231001
513302343411121
6544514424521
7103110500431
oct17536125501
95381033604
102105060161
11990284946
124a8b92141
13277170139
1415d8062c1
15c4c167e1
hex7d78ab41

2105060161 has 2 divisors, whose sum is σ = 2105060162. Its totient is φ = 2105060160.

The previous prime is 2105060143. The next prime is 2105060219. The reversal of 2105060161 is 1610605012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100480561 + 4579600 = 45831^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105060161 - 211 = 2105058113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105060101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052530080 + 1052530081.

It is an arithmetic number, because the mean of its divisors is an integer number (1052530081).

Almost surely, 22105060161 is an apocalyptic number.

It is an amenable number.

2105060161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105060161 is an equidigital number, since it uses as much as digits as its factorization.

2105060161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2105060161 is about 45880.9346134100. The cubic root of 2105060161 is about 1281.6069013396.

Adding to 2105060161 its reverse (1610605012), we get a palindrome (3715665173).

The spelling of 2105060161 in words is "two billion, one hundred five million, sixty thousand, one hundred sixty-one".