Search a number
-
+
630400824241 = 964196538139
BaseRepresentation
bin10010010110001101101…
…00010011001110110001
32020021011201100221100121
421023012310103032301
540312030102333431
61201334021250241
763354630410446
oct11130664231661
92207151327317
10630400824241
11223395915831
12a2213b63981
13475a60920c6
1422723a299cd
15115e8c6e611
hex92c6d133b1

630400824241 has 4 divisors (see below), whose sum is σ = 630407458800. Its totient is φ = 630394189684.

The previous prime is 630400824233. The next prime is 630400824271. The reversal of 630400824241 is 142428004036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630400824241 - 23 = 630400824233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630400824197 and 630400824206.

It is not an unprimeable number, because it can be changed into a prime (630400824271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172651 + ... + 3365488.

It is an arithmetic number, because the mean of its divisors is an integer number (157601864700).

Almost surely, 2630400824241 is an apocalyptic number.

It is an amenable number.

630400824241 is a deficient number, since it is larger than the sum of its proper divisors (6634559).

630400824241 is an equidigital number, since it uses as much as digits as its factorization.

630400824241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634558.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 630400824241 its reverse (142428004036), we get a palindrome (772828828277).

The spelling of 630400824241 in words is "six hundred thirty billion, four hundred million, eight hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 96419 6538139 630400824241