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831896310973 = 713191483324439
BaseRepresentation
bin11000001101100001110…
…00100101010010111101
32221112021021200012222111
430012300320211102331
5102112210423422343
61434100133014021
7114050110654210
oct14066070452275
92845237605874
10831896310973
112a0894864282
12115288484311
13605a8183170
142c39a597777
151698d64ac9d
hexc1b0e254bd

831896310973 has 32 divisors (see below), whose sum is σ = 1078490470400. Its totient is φ = 623138982336.

The previous prime is 831896310943. The next prime is 831896310979. The reversal of 831896310973 is 379013698138.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-831896310973 is a prime.

It is the 912084-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831896310979) by changing a digit.

It is a nontrivial repunit in base 912083.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2401888 + ... + 2726326.

It is an arithmetic number, because the mean of its divisors is an integer number (33702827200).

Almost surely, 2831896310973 is an apocalyptic number.

It is an amenable number.

831896310973 is a deficient number, since it is larger than the sum of its proper divisors (246594159427).

831896310973 is a wasteful number, since it uses less digits than its factorization.

831896310973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325961.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 831896310973 in words is "eight hundred thirty-one billion, eight hundred ninety-six million, three hundred ten thousand, nine hundred seventy-three".

Divisors: 1 7 13 19 91 133 247 1483 1729 10381 19279 28177 134953 197239 324439 366301 2271073 2564107 4217707 6164341 29523949 43150387 80136433 481143037 560955031 3368001259 6254859481 9141717703 43784016367 63992023921 118842330139 831896310973