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4783523981 is a prime number
BaseRepresentation
bin1000111010001111…
…01100100010001101
3110100101001012021212
410131013230202031
534244040231411
62110355304205
7226353166025
oct43507544215
913311035255
104783523981
1120351a1405
12b15bab065
135b3056182
14335430a85
151cee4568b
hex11d1ec88d

4783523981 has 2 divisors, whose sum is σ = 4783523982. Its totient is φ = 4783523980.

The previous prime is 4783523963. The next prime is 4783523993. The reversal of 4783523981 is 1893253874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3909375625 + 874148356 = 62525^2 + 29566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4783523981 - 230 = 3709782157 is a prime.

It is a super-2 number, since 2×47835239812 = 45764203353604176722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4783523911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2391761990 + 2391761991.

It is an arithmetic number, because the mean of its divisors is an integer number (2391761991).

Almost surely, 24783523981 is an apocalyptic number.

It is an amenable number.

4783523981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4783523981 is an equidigital number, since it uses as much as digits as its factorization.

4783523981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 4783523981 is about 69163.0246663635. The cubic root of 4783523981 is about 1684.9330607648.

The spelling of 4783523981 in words is "four billion, seven hundred eighty-three million, five hundred twenty-three thousand, nine hundred eighty-one".