Search a number
-
+
7494141761 is a prime number
BaseRepresentation
bin1101111101010111…
…11000011101000001
3201100021112211211222
412332223320131001
5110322000014021
63235345244425
7353466103541
oct67653703501
921307484758
107494141761
1131a627a697
121551933715
139257b9712
14511429321
152dcdc66ab
hex1beaf8741

7494141761 has 2 divisors, whose sum is σ = 7494141762. Its totient is φ = 7494141760.

The previous prime is 7494141751. The next prime is 7494141769. The reversal of 7494141761 is 1671414947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6294835600 + 1199306161 = 79340^2 + 34631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7494141761 is a prime.

It is a super-2 number, since 2×74941417612 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7494141769) 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, 3747070880 + 3747070881.

It is an arithmetic number, because the mean of its divisors is an integer number (3747070881).

Almost surely, 27494141761 is an apocalyptic number.

It is an amenable number.

7494141761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7494141761 is an equidigital number, since it uses as much as digits as its factorization.

7494141761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 7494141761 is about 86568.7112125391. The cubic root of 7494141761 is about 1956.9240382692.

The spelling of 7494141761 in words is "seven billion, four hundred ninety-four million, one hundred forty-one thousand, seven hundred sixty-one".