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2075975081 is a prime number
BaseRepresentation
bin111101110111100…
…1101110110101001
312100200022110102222
41323233031312221
513222422200311
6541555203425
7102305332325
oct17357156651
95320273388
102075975081
11975919894
1249b2a6575
1327112872b
141599d4985
15c23bdadb
hex7bbcdda9

2075975081 has 2 divisors, whose sum is σ = 2075975082. Its totient is φ = 2075975080.

The previous prime is 2075974987. The next prime is 2075975117. The reversal of 2075975081 is 1805795702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1807015081 + 268960000 = 42509^2 + 16400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2075975081 is a prime.

It is a super-2 number, since 2×20759750812 = 8619345073865913122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2075975581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037987540 + 1037987541.

It is an arithmetic number, because the mean of its divisors is an integer number (1037987541).

Almost surely, 22075975081 is an apocalyptic number.

It is an amenable number.

2075975081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2075975081 is an equidigital number, since it uses as much as digits as its factorization.

2075975081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 2075975081 is about 45562.8695430830. The cubic root of 2075975081 is about 1275.6769607146.

The spelling of 2075975081 in words is "two billion, seventy-five million, nine hundred seventy-five thousand, eighty-one".