Search a number
-
+
40325052281 is a prime number
BaseRepresentation
bin100101100011100011…
…110111011101111001
310212002022200220101212
4211203203313131321
51130041203133111
630305225452505
72625202201043
oct454343673571
9125068626355
1040325052281
1116113493698
127994941135
133a585122a7
141d47822a93
1510b02e398b
hex9638f7779

40325052281 has 2 divisors, whose sum is σ = 40325052282. Its totient is φ = 40325052280.

The previous prime is 40325052269. The next prime is 40325052331. The reversal of 40325052281 is 18225052304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33494856256 + 6830196025 = 183016^2 + 82645^2 .

It is a cyclic number.

It is not a de Polignac number, because 40325052281 - 214 = 40325035897 is a prime.

It is a super-2 number, since 2×403250522812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40355052281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162526140 + 20162526141.

It is an arithmetic number, because the mean of its divisors is an integer number (20162526141).

Almost surely, 240325052281 is an apocalyptic number.

It is an amenable number.

40325052281 is a deficient number, since it is larger than the sum of its proper divisors (1).

40325052281 is an equidigital number, since it uses as much as digits as its factorization.

40325052281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 40325052281 in words is "forty billion, three hundred twenty-five million, fifty-two thousand, two hundred eighty-one".