Base | Representation |
---|---|
bin | 11100001000100001… |
… | …000001001010110111 |
3 | 2212222020000022212100 |
4 | 130020201001022313 |
5 | 443331124104333 |
6 | 21513250353143 |
7 | 2116400511642 |
oct | 341041011267 |
9 | 85866008770 |
10 | 30207644343 |
11 | 118a1478328 |
12 | 5a3058b7b3 |
13 | 2b053c7986 |
14 | 1667c5aa59 |
15 | bbbe93213 |
hex | 7088412b7 |
30207644343 has 12 divisors (see below), whose sum is σ = 45530362800. Its totient is φ = 19262845536.
The previous prime is 30207644293. The next prime is 30207644359. The reversal of 30207644343 is 34344670203.
30207644343 is a `hidden beast` number, since 3 + 0 + 2 + 0 + 7 + 644 + 3 + 4 + 3 = 666.
It is not a de Polignac number, because 30207644343 - 220 = 30206595767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30207644298 and 30207644307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30207644393) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72965118 + ... + 72965531.
It is an arithmetic number, because the mean of its divisors is an integer number (3794196900).
Almost surely, 230207644343 is an apocalyptic number.
30207644343 is a deficient number, since it is larger than the sum of its proper divisors (15322718457).
30207644343 is a wasteful number, since it uses less digits than its factorization.
30207644343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145930678 (or 145930675 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 36.
The spelling of 30207644343 in words is "thirty billion, two hundred seven million, six hundred forty-four thousand, three hundred forty-three".
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