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3025660081 is a prime number
BaseRepresentation
bin1011010001010111…
…1110100010110001
321210212022110100111
42310111332202301
522144032110311
61220122221321
7134656454263
oct26425764261
97725273314
103025660081
1113129a7224
12705354841
13392aca012
14209ba5b33
1512a961d21
hexb457e8b1

3025660081 has 2 divisors, whose sum is σ = 3025660082. Its totient is φ = 3025660080.

The previous prime is 3025660049. The next prime is 3025660117. The reversal of 3025660081 is 1800665203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2803173025 + 222487056 = 52945^2 + 14916^2 .

It is an emirp because it is prime and its reverse (1800665203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3025660081 - 25 = 3025660049 is a prime.

It is a super-2 number, since 2×30256600812 = 18309237851513853122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3025660381) 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, 1512830040 + 1512830041.

It is an arithmetic number, because the mean of its divisors is an integer number (1512830041).

Almost surely, 23025660081 is an apocalyptic number.

It is an amenable number.

3025660081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3025660081 is an equidigital number, since it uses as much as digits as its factorization.

3025660081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3025660081 is about 55006.0004090463. Note that the first 3 decimals coincide. The cubic root of 3025660081 is about 1446.3499285750.

The spelling of 3025660081 in words is "three billion, twenty-five million, six hundred sixty thousand, eighty-one".