Search a number
-
+
7672224134881 is a prime number
BaseRepresentation
bin110111110100101010000…
…1100011011011011100001
31000011110100111021020020001
41233221110030123123201
52001200203334304011
624152323205420001
71421204603064145
oct157512414333341
930143314236201
107672224134881
112498854567409
12a3ab1840a601
13438645432307
141c74a2653225
15d488b0657c1
hex6fa5431b6e1

7672224134881 has 2 divisors, whose sum is σ = 7672224134882. Its totient is φ = 7672224134880.

The previous prime is 7672224134863. The next prime is 7672224134891. The reversal of 7672224134881 is 1884314222767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4229566541281 + 3442657593600 = 2056591^2 + 1855440^2 .

It is a cyclic number.

It is not a de Polignac number, because 7672224134881 - 213 = 7672224126689 is a prime.

It is a super-2 number, since 2×76722241348812 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7672224134891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836112067440 + 3836112067441.

It is an arithmetic number, because the mean of its divisors is an integer number (3836112067441).

Almost surely, 27672224134881 is an apocalyptic number.

It is an amenable number.

7672224134881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7672224134881 is an equidigital number, since it uses as much as digits as its factorization.

7672224134881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7225344, while the sum is 55.

The spelling of 7672224134881 in words is "seven trillion, six hundred seventy-two billion, two hundred twenty-four million, one hundred thirty-four thousand, eight hundred eighty-one".