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7492680709 is a prime number
BaseRepresentation
bin1101111101001100…
…10011110000000101
3201100011210121122221
412332212103300011
5110321111240314
63235254052341
7353450510113
oct67646236005
921304717587
107492680709
1131a5471a08
12155134a0b1
139253c76a7
14511168ab3
152dcbd8824
hex1be993c05

7492680709 has 2 divisors, whose sum is σ = 7492680710. Its totient is φ = 7492680708.

The previous prime is 7492680697. The next prime is 7492680757. The reversal of 7492680709 is 9070862947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6564564484 + 928116225 = 81022^2 + 30465^2 .

It is a cyclic number.

It is not a de Polignac number, because 7492680709 - 27 = 7492680581 is a prime.

It is a super-2 number, since 2×74926807092 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7492680509) 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, 3746340354 + 3746340355.

It is an arithmetic number, because the mean of its divisors is an integer number (3746340355).

Almost surely, 27492680709 is an apocalyptic number.

It is an amenable number.

7492680709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7492680709 is an equidigital number, since it uses as much as digits as its factorization.

7492680709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7492680709 is about 86560.2721171786. The cubic root of 7492680709 is about 1956.7968565452.

The spelling of 7492680709 in words is "seven billion, four hundred ninety-two million, six hundred eighty thousand, seven hundred nine".