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2660580943 is a prime number
BaseRepresentation
bin1001111010010101…
…0011111001001111
320212102100111220221
42132211103321033
520422102042233
61120001252211
7122634364516
oct23645237117
96772314827
102660580943
111145912929
12623034067
13335294467
141b34d167d
1510889a42d
hex9e953e4f

2660580943 has 2 divisors, whose sum is σ = 2660580944. Its totient is φ = 2660580942.

The previous prime is 2660580931. The next prime is 2660580953. The reversal of 2660580943 is 3490850662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660580943 - 213 = 2660572751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2660580943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660580953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330290471 + 1330290472.

It is an arithmetic number, because the mean of its divisors is an integer number (1330290472).

Almost surely, 22660580943 is an apocalyptic number.

2660580943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660580943 is an equidigital number, since it uses as much as digits as its factorization.

2660580943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2660580943 is about 51580.8195262541. The cubic root of 2660580943 is about 1385.6668439234. Note that the first 3 decimals are identical.

The spelling of 2660580943 in words is "two billion, six hundred sixty million, five hundred eighty thousand, nine hundred forty-three".