Base | Representation |
---|---|
bin | 10010111100011111… |
… | …011000111100011000 |
3 | 1221111200110120012001 |
4 | 102330133120330120 |
5 | 313130101330144 |
6 | 13202312130344 |
7 | 1320045653410 |
oct | 227437307430 |
9 | 57450416161 |
10 | 20342214424 |
11 | 8699716864 |
12 | 3b386969b4 |
13 | 1bc256618c |
14 | dad927640 |
15 | 7e0d17bd4 |
hex | 4bc7d8f18 |
20342214424 has 32 divisors (see below), whose sum is σ = 43834003200. Its totient is φ = 8669383200.
The previous prime is 20342214419. The next prime is 20342214427. The reversal of 20342214424 is 42441224302.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 20342214392 and 20342214401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20342214427) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1004652 + ... + 1024699.
It is an arithmetic number, because the mean of its divisors is an integer number (1369812600).
Almost surely, 220342214424 is an apocalyptic number.
It is an amenable number.
20342214424 is an abundant number, since it is smaller than the sum of its proper divisors (23491788776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20342214424 is a wasteful number, since it uses less digits than its factorization.
20342214424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2029543 (or 2029539 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 28.
Adding to 20342214424 its reverse (42441224302), we get a palindrome (62783438726).
The spelling of 20342214424 in words is "twenty billion, three hundred forty-two million, two hundred fourteen thousand, four hundred twenty-four".
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