Search a number
-
+
52281221281462 = 2481723203233881
BaseRepresentation
bin10111110001100101010111…
…00111110111011010110110
320212010000222012110101211001
423320302223213313122312
523323033420122001322
6303105354514233514
714004123254400145
oct1370625347673266
9225100865411731
1052281221281462
1115727383498a78
125a4454b28589a
132323137444274
14cca5d31c375c
15609e4b8c1827
hex2f8cab9f76b6

52281221281462 has 16 divisors (see below), whose sum is σ = 78441828051312. Its totient is φ = 26133945788160.

The previous prime is 52281221281453. The next prime is 52281221281543. The reversal of 52281221281462 is 26418212218225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223420762 + ... + 223654642.

It is an arithmetic number, because the mean of its divisors is an integer number (4902614253207).

Almost surely, 252281221281462 is an apocalyptic number.

52281221281462 is a deficient number, since it is larger than the sum of its proper divisors (26160606769850).

52281221281462 is a wasteful number, since it uses less digits than its factorization.

52281221281462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261903.

The product of its digits is 491520, while the sum is 46.

Adding to 52281221281462 its reverse (26418212218225), we get a palindrome (78699433499687).

The spelling of 52281221281462 in words is "fifty-two trillion, two hundred eighty-one billion, two hundred twenty-one million, two hundred eighty-one thousand, four hundred sixty-two".

Divisors: 1 2 4817 9634 23203 46406 233881 467762 111768851 223537702 1126604777 2253209554 5426740843 10853481686 26140610640731 52281221281462