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2120532017 is a prime number
BaseRepresentation
bin111111001100100…
…1100000000110001
312110210011012001212
41332121030000301
513320324011032
6550230205505
7103356140042
oct17631140061
95423135055
102120532017
11998a920aa
124b21b3895
1327a429496
141618b28c9
15c6270bb2
hex7e64c031

2120532017 has 2 divisors, whose sum is σ = 2120532018. Its totient is φ = 2120532016.

The previous prime is 2120531981. The next prime is 2120532019. The reversal of 2120532017 is 7102350212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1772746816 + 347785201 = 42104^2 + 18649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120532017 - 226 = 2053423153 is a prime.

Together with 2120532019, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120531983 and 2120532001.

It is not a weakly prime, because it can be changed into another prime (2120532019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060266008 + 1060266009.

It is an arithmetic number, because the mean of its divisors is an integer number (1060266009).

Almost surely, 22120532017 is an apocalyptic number.

It is an amenable number.

2120532017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120532017 is an equidigital number, since it uses as much as digits as its factorization.

2120532017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2120532017 is about 46049.2347059102. The cubic root of 2120532017 is about 1284.7391087688.

Adding to 2120532017 its reverse (7102350212), we get a palindrome (9222882229).

The spelling of 2120532017 in words is "two billion, one hundred twenty million, five hundred thirty-two thousand, seventeen".