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3081565049 is a prime number
BaseRepresentation
bin1011011110101100…
…1111001101111001
321221202111201112212
42313223033031321
522302340040144
61225440344505
7136235604443
oct26753171571
97852451485
103081565049
111341510482
12720015135
133a1572094
14213399493
1513080649e
hexb7acf379

3081565049 has 2 divisors, whose sum is σ = 3081565050. Its totient is φ = 3081565048.

The previous prime is 3081565037. The next prime is 3081565111. The reversal of 3081565049 is 9405651803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1744565824 + 1336999225 = 41768^2 + 36565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3081565049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3081564997 and 3081565015.

It is not a weakly prime, because it can be changed into another prime (3081565349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540782524 + 1540782525.

It is an arithmetic number, because the mean of its divisors is an integer number (1540782525).

Almost surely, 23081565049 is an apocalyptic number.

It is an amenable number.

3081565049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081565049 is an equidigital number, since it uses as much as digits as its factorization.

3081565049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 3081565049 is about 55511.8460240695. The cubic root of 3081565049 is about 1455.2036651958.

The spelling of 3081565049 in words is "three billion, eighty-one million, five hundred sixty-five thousand, forty-nine".