Search a number
-
+
7642577053 is a prime number
BaseRepresentation
bin1110001111000100…
…00111100010011101
3201201121212010210101
413013202013202131
5111122444431203
63302210541101
7360250555516
oct70742074235
921647763711
107642577053
113272043291
121593597791
1394a48b357
14527027a0d
152eae4741d
hex1c788789d

7642577053 has 2 divisors, whose sum is σ = 7642577054. Its totient is φ = 7642577052.

The previous prime is 7642577039. The next prime is 7642577099. The reversal of 7642577053 is 3507752467.

It is a happy number.

It is an a-pointer prime, because the next prime (7642577099) can be obtained adding 7642577053 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5953202649 + 1689374404 = 77157^2 + 41102^2 .

It is a cyclic number.

It is not a de Polignac number, because 7642577053 - 25 = 7642577021 is a prime.

It is a super-2 number, since 2×76425770532 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7642576994 and 7642577012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7642577153) 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, 3821288526 + 3821288527.

It is an arithmetic number, because the mean of its divisors is an integer number (3821288527).

Almost surely, 27642577053 is an apocalyptic number.

It is an amenable number.

7642577053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7642577053 is an equidigital number, since it uses as much as digits as its factorization.

7642577053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234800, while the sum is 46.

The square root of 7642577053 is about 87421.8339604014. The cubic root of 7642577053 is about 1969.7598247916.

The spelling of 7642577053 in words is "seven billion, six hundred forty-two million, five hundred seventy-seven thousand, fifty-three".