Search a number
-
+
816038483871 = 313127286157587
BaseRepresentation
bin10111101111111111010…
…11110001011110011111
32220000100010101010201210
423313333223301132133
5101332221322440441
61422514412435503
7112646123444142
oct13677753613637
92800303333653
10816038483871
112950974a5046
121121a1778b93
135bc4b9b8310
142b6d4474059
151636138a616
hexbdffaf179f

816038483871 has 32 divisors (see below), whose sum is σ = 1181407223808. Its totient is φ = 498040583040.

The previous prime is 816038483867. The next prime is 816038483899. The reversal of 816038483871 is 178384830618.

It is not a de Polignac number, because 816038483871 - 22 = 816038483867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816038483171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14141740 + ... + 14199326.

It is an arithmetic number, because the mean of its divisors is an integer number (36918975744).

Almost surely, 2816038483871 is an apocalyptic number.

816038483871 is a deficient number, since it is larger than the sum of its proper divisors (365368739937).

816038483871 is a wasteful number, since it uses less digits than its factorization.

816038483871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60591.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 816038483871 in words is "eight hundred sixteen billion, thirty-eight million, four hundred eighty-three thousand, eight hundred seventy-one".

Divisors: 1 3 13 39 127 381 1651 2861 4953 8583 37193 57587 111579 172761 363347 748631 1090041 2245893 4723511 7313549 14170533 21940647 95076137 164756407 285228411 494269221 2141833291 6425499873 20924063689 62772191067 272012827957 816038483871