Base | Representation |
---|---|
bin | 10111101010111000001… |
… | …11100101001101000101 |
3 | 2212202020212201200011101 |
4 | 23311130013211031011 |
5 | 101311111320411323 |
6 | 1421342223340101 |
7 | 112521122400640 |
oct | 13653407451505 |
9 | 2782225650141 |
10 | 813294310213 |
11 | 293a09487830 |
12 | 111756751631 |
13 | 5b902306418 |
14 | 2b513c22a57 |
15 | 162504cbdad |
hex | bd5c1e5345 |
813294310213 has 32 divisors (see below), whose sum is σ = 1035523388160. Its totient is φ = 620410560000.
The previous prime is 813294310193. The next prime is 813294310229. The reversal of 813294310213 is 312013492318.
It is not a de Polignac number, because 813294310213 - 217 = 813294179141 is a prime.
It is a super-2 number, since 2×8132943102132 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (813204310213) 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, 104643 + ... + 1279663.
It is an arithmetic number, because the mean of its divisors is an integer number (32360105880).
Almost surely, 2813294310213 is an apocalyptic number.
It is an amenable number.
813294310213 is a deficient number, since it is larger than the sum of its proper divisors (222229077947).
813294310213 is a wasteful number, since it uses less digits than its factorization.
813294310213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175229.
The product of its (nonzero) digits is 31104, while the sum is 37.
The spelling of 813294310213 in words is "eight hundred thirteen billion, two hundred ninety-four million, three hundred ten thousand, two hundred thirteen".
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