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2115343193 is a prime number
BaseRepresentation
bin111111000010101…
…1001001101011001
312110102101120100012
41332011121031121
513313011440233
6545523051305
7103264056215
oct17605311531
95412346305
102115343193
11996068717
124b0510b35
13279330782
14160d21945
15c5a98548
hex7e159359

2115343193 has 2 divisors, whose sum is σ = 2115343194. Its totient is φ = 2115343192.

The previous prime is 2115343171. The next prime is 2115343273. The reversal of 2115343193 is 3913435112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1797505609 + 317837584 = 42397^2 + 17828^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115343193 - 26 = 2115343129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2115343103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057671596 + 1057671597.

It is an arithmetic number, because the mean of its divisors is an integer number (1057671597).

Almost surely, 22115343193 is an apocalyptic number.

It is an amenable number.

2115343193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115343193 is an equidigital number, since it uses as much as digits as its factorization.

2115343193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 2115343193 is about 45992.8602393893. The cubic root of 2115343193 is about 1283.6903578241.

It can be divided in two parts, 21153 and 43193, that added together give a palindrome (64346).

The spelling of 2115343193 in words is "two billion, one hundred fifteen million, three hundred forty-three thousand, one hundred ninety-three".