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6612942407 is a prime number
BaseRepresentation
bin1100010100010100…
…10111111001000111
3122001212102021120212
412022022113321013
5102020403124112
63012110150035
7322606040321
oct61212277107
918055367525
106612942407
112893919565
1213467b231b
13815076596
1446a3a4611
1528a860522
hex18a297e47

6612942407 has 2 divisors, whose sum is σ = 6612942408. Its totient is φ = 6612942406.

The previous prime is 6612942397. The next prime is 6612942481. The reversal of 6612942407 is 7042492166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6612942407 - 226 = 6545833543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6612942307) 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, 3306471203 + 3306471204.

It is an arithmetic number, because the mean of its divisors is an integer number (3306471204).

Almost surely, 26612942407 is an apocalyptic number.

6612942407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6612942407 is an equidigital number, since it uses as much as digits as its factorization.

6612942407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 6612942407 is about 81320.0000430398. Note that the first 4 decimals coincide. The cubic root of 6612942407 is about 1877.0027696930.

The spelling of 6612942407 in words is "six billion, six hundred twelve million, nine hundred forty-two thousand, four hundred seven".