Search a number
-
+
8048630390866 = 213615074798481
BaseRepresentation
bin111010100011111011111…
…0000010110000001010010
31001111102220220001012221221
41311013313300112001102
52023332043340001431
625041253442035254
71460331364343362
oct165076760260122
931442826035857
108048630390866
11262345003470a
12a9ba66048b2a
13464ca0996280
141db7ad12c9a2
15de56b46a111
hex751f7c16052

8048630390866 has 16 divisors (see below), whose sum is σ = 13214775247128. Its totient is φ = 3653854905600.

The previous prime is 8048630390851. The next prime is 8048630391031. The reversal of 8048630390866 is 6680930368408.

It can be written as a sum of positive squares in 4 ways, for example, as 2330290787841 + 5718339603025 = 1526529^2 + 2391305^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537397655 + ... + 2537400826.

Almost surely, 28048630390866 is an apocalyptic number.

8048630390866 is a deficient number, since it is larger than the sum of its proper divisors (5166144856262).

8048630390866 is a wasteful number, since it uses less digits than its factorization.

8048630390866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074798557.

The product of its (nonzero) digits is 35831808, while the sum is 61.

The spelling of 8048630390866 in words is "eight trillion, forty-eight billion, six hundred thirty million, three hundred ninety thousand, eight hundred sixty-six".

Divisors: 1 2 13 26 61 122 793 1586 5074798481 10149596962 65972380253 131944760506 309562707341 619125414682 4024315195433 8048630390866