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2660852647 is a prime number
BaseRepresentation
bin1001111010011001…
…0110001110100111
320212102212022122001
42132212112032213
520422134241042
61120011150131
7122636605615
oct23646261647
96772768561
102660852647
111145a88a82
12623145347
1333535b02b
141b35626b5
15108900bb7
hex9e9963a7

2660852647 has 2 divisors, whose sum is σ = 2660852648. Its totient is φ = 2660852646.

The previous prime is 2660852627. The next prime is 2660852653. The reversal of 2660852647 is 7462580662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660852647 - 215 = 2660819879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660852597 and 2660852606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660852627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330426323 + 1330426324.

It is an arithmetic number, because the mean of its divisors is an integer number (1330426324).

Almost surely, 22660852647 is an apocalyptic number.

2660852647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660852647 is an equidigital number, since it uses as much as digits as its factorization.

2660852647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 2660852647 is about 51583.4532287244. The cubic root of 2660852647 is about 1385.7140113675.

The spelling of 2660852647 in words is "two billion, six hundred sixty million, eight hundred fifty-two thousand, six hundred forty-seven".