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6161615101 is a prime number
BaseRepresentation
bin1011011110100001…
…01100100011111101
3120220102011110220201
411233100230203331
5100104333140401
62455224443501
7305455602265
oct55720544375
916812143821
106161615101
112682086694
12123b619591
137727036c5
1442647c7a5
15260e0db01
hex16f42c8fd

6161615101 has 2 divisors, whose sum is σ = 6161615102. Its totient is φ = 6161615100.

The previous prime is 6161615059. The next prime is 6161615129. The reversal of 6161615101 is 1015161616.

6161615101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (6161615129) can be obtained adding 6161615101 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5885191225 + 276423876 = 76715^2 + 16626^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161615101 - 219 = 6161090813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6161615101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161615401) 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, 3080807550 + 3080807551.

It is an arithmetic number, because the mean of its divisors is an integer number (3080807551).

Almost surely, 26161615101 is an apocalyptic number.

It is an amenable number.

6161615101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161615101 is an equidigital number, since it uses as much as digits as its factorization.

6161615101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 6161615101 is about 78495.9559531572. The cubic root of 6161615101 is about 1833.2914874820.

Adding to 6161615101 its reverse (1015161616), we get a palindrome (7176776717).

The spelling of 6161615101 in words is "six billion, one hundred sixty-one million, six hundred fifteen thousand, one hundred one".