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3221212041 = 32937381977
BaseRepresentation
bin1011111111111111…
…1100101110001001
322022111021112012200
42333333330232021
523044112241131
61251345430413
7142552564515
oct27777745611
98274245180
103221212041
111403321313
1275a93b409
133c4487838
14227b4b145
1513cbdd2e6
hexbfffcb89

3221212041 has 12 divisors (see below), whose sum is σ = 4657839732. Its totient is φ = 2145177216.

The previous prime is 3221212039. The next prime is 3221212051. The reversal of 3221212041 is 1402121223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1297512441 + 1923699600 = 36021^2 + 43860^2 .

It is not a de Polignac number, because 3221212041 - 21 = 3221212039 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3221212051) 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 in 11 ways as a sum of consecutive naturals, for example, 182556 + ... + 199421.

It is an arithmetic number, because the mean of its divisors is an integer number (388153311).

Almost surely, 23221212041 is an apocalyptic number.

It is an amenable number.

3221212041 is a deficient number, since it is larger than the sum of its proper divisors (1436627691).

3221212041 is a wasteful number, since it uses less digits than its factorization.

3221212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382920 (or 382917 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3221212041 is about 56755.7225396700. The cubic root of 3221212041 is about 1476.8615073824.

Adding to 3221212041 its reverse (1402121223), we get a palindrome (4623333264).

It can be divided in two parts, 32212 and 12041, that added together give a triangular number (44253 = T297).

The spelling of 3221212041 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, forty-one".

Divisors: 1 3 9 937 2811 8433 381977 1145931 3437793 357912449 1073737347 3221212041