Search a number
-
+
5662072681 is a prime number
BaseRepresentation
bin1010100010111110…
…00101111101101001
3112121121012002112121
411101133011331221
543043442311211
62333501511241
7260211552346
oct52137057551
915547162477
105662072681
112446102011
121120272521
136c307b985
143b9da57cd
15232136271
hex1517c5f69

5662072681 has 2 divisors, whose sum is σ = 5662072682. Its totient is φ = 5662072680.

The previous prime is 5662072639. The next prime is 5662072693. The reversal of 5662072681 is 1862702665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5400927081 + 261145600 = 73491^2 + 16160^2 .

It is a cyclic number.

It is not a de Polignac number, because 5662072681 - 215 = 5662039913 is a prime.

It is a super-2 number, since 2×56620726812 = 64118134089853055522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5662072621) 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, 2831036340 + 2831036341.

It is an arithmetic number, because the mean of its divisors is an integer number (2831036341).

Almost surely, 25662072681 is an apocalyptic number.

It is an amenable number.

5662072681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5662072681 is an equidigital number, since it uses as much as digits as its factorization.

5662072681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 5662072681 is about 75246.7453183193. The cubic root of 5662072681 is about 1782.3451688633.

The spelling of 5662072681 in words is "five billion, six hundred sixty-two million, seventy-two thousand, six hundred eighty-one".