Search a number
-
+
12711371550385 = 518231394555299
BaseRepresentation
bin1011100011111001100011…
…0010010010111010110001
31200000012021100011010002011
42320332120302102322301
53131230342104103020
643011305023122521
72451236431303114
oct270763062227261
950005240133064
1012711371550385
114060953945622
121513670743441
137128a5a44361
1431d33b27057b
151709ba4ab35a
hexb8f98c92eb1

12711371550385 has 8 divisors (see below), whose sum is σ = 15262013203200. Its totient is φ = 10163519011824.

The previous prime is 12711371550347. The next prime is 12711371550401. The reversal of 12711371550385 is 58305517311721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12711371550385 - 237 = 12573932596913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697268535 + ... + 697286764.

It is an arithmetic number, because the mean of its divisors is an integer number (1907751650400).

Almost surely, 212711371550385 is an apocalyptic number.

It is an amenable number.

12711371550385 is a deficient number, since it is larger than the sum of its proper divisors (2550641652815).

12711371550385 is a wasteful number, since it uses less digits than its factorization.

12711371550385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394557127.

The product of its (nonzero) digits is 882000, while the sum is 49.

The spelling of 12711371550385 in words is "twelve trillion, seven hundred eleven billion, three hundred seventy-one million, five hundred fifty thousand, three hundred eighty-five".

Divisors: 1 5 1823 9115 1394555299 6972776495 2542274310077 12711371550385