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2660828207 is a prime number
BaseRepresentation
bin1001111010011001…
…0000010000101111
320212102211002002212
42132212100100233
520422133000312
61120010441035
7122636444432
oct23646202057
96772732085
102660828207
111145a71684
1262313317b
1333534cb7b
141b3557819
151088e8822
hex9e99042f

2660828207 has 2 divisors, whose sum is σ = 2660828208. Its totient is φ = 2660828206.

The previous prime is 2660828189. The next prime is 2660828263. The reversal of 2660828207 is 7028280662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660828207 - 218 = 2660566063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660828407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330414103 + 1330414104.

It is an arithmetic number, because the mean of its divisors is an integer number (1330414104).

Almost surely, 22660828207 is an apocalyptic number.

2660828207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660828207 is an equidigital number, since it uses as much as digits as its factorization.

2660828207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2660828207 is about 51583.2163305081. The cubic root of 2660828207 is about 1385.7097687482.

The spelling of 2660828207 in words is "two billion, six hundred sixty million, eight hundred twenty-eight thousand, two hundred seven".