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3212274649 is a prime number
BaseRepresentation
bin1011111101110111…
…0110101111011001
322021212110110102011
42333131312233121
523034320242044
61250430105521
7142413612133
oct27735665731
98255413364
103212274649
1113a9277541
1275794b2a1
133c267883c
142268a2053
1513c025134
hexbf776bd9

3212274649 has 2 divisors, whose sum is σ = 3212274650. Its totient is φ = 3212274648.

The previous prime is 3212274641. The next prime is 3212274673. The reversal of 3212274649 is 9464722123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3212055625 + 219024 = 56675^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212274649 - 23 = 3212274641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212274641) 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, 1606137324 + 1606137325.

It is an arithmetic number, because the mean of its divisors is an integer number (1606137325).

Almost surely, 23212274649 is an apocalyptic number.

It is an amenable number.

3212274649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212274649 is an equidigital number, since it uses as much as digits as its factorization.

3212274649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 3212274649 is about 56676.9322476085. The cubic root of 3212274649 is about 1475.4943701849.

The spelling of 3212274649 in words is "three billion, two hundred twelve million, two hundred seventy-four thousand, six hundred forty-nine".