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3233332981 is a prime number
BaseRepresentation
bin1100000010111000…
…1011111011110101
322100100002100000101
43000232023323311
523110213123411
61252501314101
7143060606524
oct30056137365
98310070011
103233332981
11140a14aa1a
12762a05931
133c6b3c8a8
142295c44bb
1513dcd48c1
hexc0b8bef5

3233332981 has 2 divisors, whose sum is σ = 3233332982. Its totient is φ = 3233332980.

The previous prime is 3233332979. The next prime is 3233332987. The reversal of 3233332981 is 1892333323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3210922225 + 22410756 = 56665^2 + 4734^2 .

It is a cyclic number.

It is not a de Polignac number, because 3233332981 - 21 = 3233332979 is a prime.

It is a super-2 number, since 2×32333329812 = 20908884332044692722, which contains 22 as substring.

Together with 3233332979, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3233332981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3233332987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616666490 + 1616666491.

It is an arithmetic number, because the mean of its divisors is an integer number (1616666491).

Almost surely, 23233332981 is an apocalyptic number.

It is an amenable number.

3233332981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233332981 is an equidigital number, since it uses as much as digits as its factorization.

3233332981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 3233332981 is about 56862.4039326513. The cubic root of 3233332981 is about 1478.7115919100.

The spelling of 3233332981 in words is "three billion, two hundred thirty-three million, three hundred thirty-two thousand, nine hundred eighty-one".