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2054128211 is a prime number
BaseRepresentation
bin111101001101111…
…1000001001010011
312022011012112011122
41322123320021103
513201324100321
6535455032455
7101621541662
oct17233701123
95264175148
102054128211
11964557a23
12493b0b72b
132697497a5
14156b48dd9
15c05058ab
hex7a6f8253

2054128211 has 2 divisors, whose sum is σ = 2054128212. Its totient is φ = 2054128210.

The previous prime is 2054128201. The next prime is 2054128243. The reversal of 2054128211 is 1128214502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2054128211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2054128201) 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, 1027064105 + 1027064106.

It is an arithmetic number, because the mean of its divisors is an integer number (1027064106).

Almost surely, 22054128211 is an apocalyptic number.

2054128211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054128211 is an equidigital number, since it uses as much as digits as its factorization.

2054128211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2054128211 is about 45322.4912267629. The cubic root of 2054128211 is about 1271.1862376366.

The spelling of 2054128211 in words is "two billion, fifty-four million, one hundred twenty-eight thousand, two hundred eleven".