Base | Representation |
---|---|
bin | 11000001101001011110… |
… | …01101100110000110010 |
3 | 2221111210102222000101002 |
4 | 30012211321230300302 |
5 | 102111321241214242 |
6 | 1434025551442002 |
7 | 114042412546622 |
oct | 14064571546062 |
9 | 2844712860332 |
10 | 831712054322 |
11 | 2a07aa854556 |
12 | 115236826302 |
13 | 60578c4b966 |
14 | 2c37dd12882 |
15 | 1697c3a1432 |
hex | c1a5e6cc32 |
831712054322 has 6 divisors (see below), whose sum is σ = 1247570016093. Its totient is φ = 415855382292.
The previous prime is 831712054307. The next prime is 831712054351. The reversal of 831712054322 is 223450217138.
It can be written as a sum of positive squares in 2 ways, for example, as 829248818161 + 2463236161 = 910631^2 + 49631^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=644869.
It is a Duffinian number.
It is an unprimeable number.
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 2 ways as a sum of consecutive naturals, for example, 967304 + ... + 1612172.
Almost surely, 2831712054322 is an apocalyptic number.
831712054322 is a deficient number, since it is larger than the sum of its proper divisors (415857961771).
831712054322 is an frugal number, since it uses more digits than its factorization.
831712054322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1289740 (or 644871 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 831712054322 in words is "eight hundred thirty-one billion, seven hundred twelve million, fifty-four thousand, three hundred twenty-two".
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