Base | Representation |
---|---|
bin | 11100010110000101… |
… | …001001111101011111 |
3 | 2220120002020102211010 |
4 | 130112011021331133 |
5 | 444312404040333 |
6 | 21552020230303 |
7 | 2125133053512 |
oct | 342605117537 |
9 | 86502212733 |
10 | 30435221343 |
11 | 119a898629a |
12 | 5a9483b393 |
13 | 2b405b9117 |
14 | 168a17ad79 |
15 | bd1e48563 |
hex | 716149f5f |
30435221343 has 4 divisors (see below), whose sum is σ = 40580295128. Its totient is φ = 20290147560.
The previous prime is 30435221321. The next prime is 30435221381. The reversal of 30435221343 is 34312253403.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30435221343 - 29 = 30435220831 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30435221343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30435221303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072536888 + ... + 5072536893.
It is an arithmetic number, because the mean of its divisors is an integer number (10145073782).
Almost surely, 230435221343 is an apocalyptic number.
30435221343 is a deficient number, since it is larger than the sum of its proper divisors (10145073785).
30435221343 is a wasteful number, since it uses less digits than its factorization.
30435221343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10145073784.
The product of its (nonzero) digits is 25920, while the sum is 30.
Adding to 30435221343 its reverse (34312253403), we get a palindrome (64747474746).
The spelling of 30435221343 in words is "thirty billion, four hundred thirty-five million, two hundred twenty-one thousand, three hundred forty-three".
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