Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011000001100100100 |
3 | 1221101212222201010001 |
4 | 102322012120030210 |
5 | 313034314301312 |
6 | 13154320311044 |
7 | 1316051013430 |
oct | 227206301444 |
9 | 57355881101 |
10 | 20302103332 |
11 | 867900a7a5 |
12 | 3b27172484 |
13 | 1bb7160bc4 |
14 | da84859c0 |
15 | 7dc543057 |
hex | 4ba198324 |
20302103332 has 48 divisors (see below), whose sum is σ = 41627577600. Its totient is φ = 8481945600.
The previous prime is 20302103279. The next prime is 20302103347. The reversal of 20302103332 is 23330120302.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599732 + ... + 1612372.
It is an arithmetic number, because the mean of its divisors is an integer number (867241200).
Almost surely, 220302103332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20302103332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20813788800).
20302103332 is an abundant number, since it is smaller than the sum of its proper divisors (21325474268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302103332 is a wasteful number, since it uses less digits than its factorization.
20302103332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14092 (or 14090 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20302103332 its reverse (23330120302), we get a palindrome (43632223634).
The spelling of 20302103332 in words is "twenty billion, three hundred two million, one hundred three thousand, three hundred thirty-two".
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