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8152628065 = 51630525613
BaseRepresentation
bin1111001011110111…
…10011101101100001
3210001011121102020121
413211323303231201
5113144033044230
63424551040241
7406013123641
oct74573635541
923034542217
108152628065
113503a4514a
1216b6370081
139cc05229a
14574a78521
1532aae877a
hex1e5ef3b61

8152628065 has 4 divisors (see below), whose sum is σ = 9783153684. Its totient is φ = 6522102448.

The previous prime is 8152628051. The next prime is 8152628089. The reversal of 8152628065 is 5608262518.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5608262518 = 22804131259.

It can be written as a sum of positive squares in 2 ways, for example, as 911979601 + 7240648464 = 30199^2 + 85092^2 .

It is a cyclic number.

It is not a de Polignac number, because 8152628065 - 27 = 8152627937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815262802 + ... + 815262811.

It is an arithmetic number, because the mean of its divisors is an integer number (2445788421).

Almost surely, 28152628065 is an apocalyptic number.

It is an amenable number.

8152628065 is a deficient number, since it is larger than the sum of its proper divisors (1630525619).

8152628065 is a wasteful number, since it uses less digits than its factorization.

8152628065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630525618.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 8152628065 is about 90291.9047589539. The cubic root of 8152628065 is about 2012.6389654436.

The spelling of 8152628065 in words is "eight billion, one hundred fifty-two million, six hundred twenty-eight thousand, sixty-five".

Divisors: 1 5 1630525613 8152628065