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2150055797 is a prime number
BaseRepresentation
bin1000000000100111…
…0011111101110101
312112211201011002012
42000021303331311
513400403241142
6553203054005
7104165113151
oct20011637565
95484634065
102150055797
11a0371781a
12500071305
13283595786
1416579a061
15c8b53882
hex80273f75

2150055797 has 2 divisors, whose sum is σ = 2150055798. Its totient is φ = 2150055796.

The previous prime is 2150055779. The next prime is 2150055851. The reversal of 2150055797 is 7975500512.

2150055797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2150055779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200553201 + 949502596 = 34649^2 + 30814^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150055797 - 28 = 2150055541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150055727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075027898 + 1075027899.

It is an arithmetic number, because the mean of its divisors is an integer number (1075027899).

Almost surely, 22150055797 is an apocalyptic number.

It is an amenable number.

2150055797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150055797 is an equidigital number, since it uses as much as digits as its factorization.

2150055797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 41.

The square root of 2150055797 is about 46368.6941480995. The cubic root of 2150055797 is about 1290.6740457118.

The spelling of 2150055797 in words is "two billion, one hundred fifty million, fifty-five thousand, seven hundred ninety-seven".