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2102532073 is a prime number
BaseRepresentation
bin111110101010010…
…0001011111101001
312102112021200210021
41331110201133221
513301222011243
6544344320441
7103050141055
oct17524413751
95375250707
102102532073
11989908514
124a8173121
13276796525
1415d348c65
15c48b76ed
hex7d5217e9

2102532073 has 2 divisors, whose sum is σ = 2102532074. Its totient is φ = 2102532072.

The previous prime is 2102532071. The next prime is 2102532109. The reversal of 2102532073 is 3702352012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380642649 + 721889424 = 37157^2 + 26868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102532073 - 21 = 2102532071 is a prime.

It is a super-2 number, since 2×21025320732 = 8841282235987354658, which contains 22 as substring.

Together with 2102532071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2102532071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051266036 + 1051266037.

It is an arithmetic number, because the mean of its divisors is an integer number (1051266037).

Almost surely, 22102532073 is an apocalyptic number.

It is an amenable number.

2102532073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102532073 is an equidigital number, since it uses as much as digits as its factorization.

2102532073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2102532073 is about 45853.3758081125. The cubic root of 2102532073 is about 1281.0936439682.

Adding to 2102532073 its reverse (3702352012), we get a palindrome (5804884085).

The spelling of 2102532073 in words is "two billion, one hundred two million, five hundred thirty-two thousand, seventy-three".