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2143001017 is a prime number
BaseRepresentation
bin111111110111011…
…1001100110111001
312112100102201202001
41333232321212321
513342102013032
6552351541001
7104051131243
oct17756714671
95470381661
102143001017
119aa739423
124b982a761
13281c95651
14164881093
15c820d3e7
hex7fbb99b9

2143001017 has 2 divisors, whose sum is σ = 2143001018. Its totient is φ = 2143001016.

The previous prime is 2143000973. The next prime is 2143001053. The reversal of 2143001017 is 7101003412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395470736 + 747530281 = 37356^2 + 27341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2143001017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143000985 and 2143001003.

It is not a weakly prime, because it can be changed into another prime (2143001087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071500508 + 1071500509.

It is an arithmetic number, because the mean of its divisors is an integer number (1071500509).

Almost surely, 22143001017 is an apocalyptic number.

It is an amenable number.

2143001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143001017 is an equidigital number, since it uses as much as digits as its factorization.

2143001017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2143001017 is about 46292.5589808989. The cubic root of 2143001017 is about 1289.2608422998.

Adding to 2143001017 its reverse (7101003412), we get a palindrome (9244004429).

The spelling of 2143001017 in words is "two billion, one hundred forty-three million, one thousand, seventeen".