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3221151049 is a prime number
BaseRepresentation
bin1011111111111110…
…1101110101001001
322022111011102112201
42333333231311021
523044103313144
61251344240201
7142552221634
oct27777556511
98274142481
103221151049
11140328a506
1275a910061
133c4465b4c
14227b32c1b
1513cbca1d4
hexbffedd49

3221151049 has 2 divisors, whose sum is σ = 3221151050. Its totient is φ = 3221151048.

The previous prime is 3221150981. The next prime is 3221151077. The reversal of 3221151049 is 9401511223.

It is an a-pointer prime, because the next prime (3221151077) can be obtained adding 3221151049 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1869265225 + 1351885824 = 43235^2 + 36768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221151049 - 221 = 3219053897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221154049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610575524 + 1610575525.

It is an arithmetic number, because the mean of its divisors is an integer number (1610575525).

Almost surely, 23221151049 is an apocalyptic number.

It is an amenable number.

3221151049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221151049 is an equidigital number, since it uses as much as digits as its factorization.

3221151049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3221151049 is about 56755.1852168593. The cubic root of 3221151049 is about 1476.8521861182.

The spelling of 3221151049 in words is "three billion, two hundred twenty-one million, one hundred fifty-one thousand, forty-nine".