Base | Representation |
---|---|
bin | 11000101011001010011… |
… | …11010011100010101010 |
3 | 10000001100010120102220000 |
4 | 30111211033103202222 |
5 | 102342302102141310 |
6 | 1445251023443430 |
7 | 115152310114665 |
oct | 14254517234252 |
9 | 3001303512800 |
10 | 847807068330 |
11 | 2a7609a95822 |
12 | 118388a56576 |
13 | 61c425c10a1 |
14 | 2d0697386dc |
15 | 170c03b44c0 |
hex | c5653d38aa |
847807068330 has 160 divisors (see below), whose sum is σ = 2320045413840. Its totient is φ = 222086292480.
The previous prime is 847807068301. The next prime is 847807068337. The reversal of 847807068330 is 33860708748.
847807068330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 40704273009 + 807102795321 = 201753^2 + 898389^2 .
It is a super-2 number, since 2×8478070683302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (847807068337) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39369006 + ... + 39390534.
Almost surely, 2847807068330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 847807068330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160022706920).
847807068330 is an abundant number, since it is smaller than the sum of its proper divisors (1472238345510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
847807068330 is a wasteful number, since it uses less digits than its factorization.
847807068330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22406 (or 22397 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 54.
The spelling of 847807068330 in words is "eight hundred forty-seven billion, eight hundred seven million, sixty-eight thousand, three hundred thirty".
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