Search a number
-
+
7428583969 is a prime number
BaseRepresentation
bin1101110101100011…
…10011001000100001
3201011201012011110121
412322301303020201
5110203204141334
63225044200241
7352041631132
oct67261631041
921151164417
107428583969
1131722730a4
121533999081
13915044b21
14506841c89
152d7276db4
hex1bac73221

7428583969 has 2 divisors, whose sum is σ = 7428583970. Its totient is φ = 7428583968.

The previous prime is 7428583961. The next prime is 7428583991. The reversal of 7428583969 is 9693858247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6986953744 + 441630225 = 83588^2 + 21015^2 .

It is a cyclic number.

It is not a de Polignac number, because 7428583969 - 23 = 7428583961 is a prime.

It is a super-2 number, since 2×74285839692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7428583961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714291984 + 3714291985.

It is an arithmetic number, because the mean of its divisors is an integer number (3714291985).

Almost surely, 27428583969 is an apocalyptic number.

It is an amenable number.

7428583969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428583969 is an equidigital number, since it uses as much as digits as its factorization.

7428583969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 61.

The square root of 7428583969 is about 86189.2334865556. The cubic root of 7428583969 is about 1951.2010106572.

The spelling of 7428583969 in words is "seven billion, four hundred twenty-eight million, five hundred eighty-three thousand, nine hundred sixty-nine".