Search a number
-
+
8314821712072 = 237971304081197
BaseRepresentation
bin111100011111111000111…
…1111101001100011001000
31002102220000012222102020101
41320333301333221203020
52042212223324241242
625403435405535144
71515504014263261
oct170776177514310
932386005872211
108314821712072
1127163290a9157
12b23574b744b4
134841133472a5
1420a622075968
15e644a96c9b7
hex78ff1fe98c8

8314821712072 has 16 divisors (see below), whose sum is σ = 15609851940060. Its totient is φ = 4152194528064.

The previous prime is 8314821712031. The next prime is 8314821712139. The reversal of 8314821712072 is 2702171284138.

It can be written as a sum of positive squares in 2 ways, for example, as 8122534200036 + 192287512036 = 2850006^2 + 438506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652034223 + ... + 652046974.

Almost surely, 28314821712072 is an apocalyptic number.

It is an amenable number.

8314821712072 is a deficient number, since it is larger than the sum of its proper divisors (7295030227988).

8314821712072 is a wasteful number, since it uses less digits than its factorization.

8314821712072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304082000 (or 1304081996 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 8314821712072 in words is "eight trillion, three hundred fourteen billion, eight hundred twenty-one million, seven hundred twelve thousand, seventy-two".

Divisors: 1 2 4 8 797 1594 3188 6376 1304081197 2608162394 5216324788 10432649576 1039352714009 2078705428018 4157410856036 8314821712072