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2082168157 is a prime number
BaseRepresentation
bin111110000011011…
…0101110101011101
312101002222002202011
41330012311311131
513231013340112
6542340031221
7102412065046
oct17406656535
95332862664
102082168157
11979369833
124a1392511
132724b6584
1415a7678cd
15c2be3aa7
hex7c1b5d5d

2082168157 has 2 divisors, whose sum is σ = 2082168158. Its totient is φ = 2082168156.

The previous prime is 2082168139. The next prime is 2082168259. The reversal of 2082168157 is 7518612802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245454681 + 836713476 = 35291^2 + 28926^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082168157 - 215 = 2082135389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2082168457) 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, 1041084078 + 1041084079.

It is an arithmetic number, because the mean of its divisors is an integer number (1041084079).

Almost surely, 22082168157 is an apocalyptic number.

It is an amenable number.

2082168157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082168157 is an equidigital number, since it uses as much as digits as its factorization.

2082168157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2082168157 is about 45630.7808063811. The cubic root of 2082168157 is about 1276.9442400891.

The spelling of 2082168157 in words is "two billion, eighty-two million, one hundred sixty-eight thousand, one hundred fifty-seven".