Base | Representation |
---|---|
bin | 10010111011000011… |
… | …000010011010100000 |
3 | 1221102222220120221212 |
4 | 102323003002122200 |
5 | 313102402124041 |
6 | 13200045205252 |
7 | 1316333122610 |
oct | 227303023240 |
9 | 57388816855 |
10 | 20318004896 |
11 | 8686a90892 |
12 | 3b30560828 |
13 | 1bba53aa07 |
14 | daa624a40 |
15 | 7ddb348eb |
hex | 4bb0c26a0 |
20318004896 has 48 divisors (see below), whose sum is σ = 46186854336. Its totient is φ = 8617936896.
The previous prime is 20318004857. The next prime is 20318004907. The reversal of 20318004896 is 69840081302.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445826 + ... + 489281.
It is an arithmetic number, because the mean of its divisors is an integer number (962226132).
Almost surely, 220318004896 is an apocalyptic number.
It is an amenable number.
20318004896 is an abundant number, since it is smaller than the sum of its proper divisors (25868849440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20318004896 is an equidigital number, since it uses as much as digits as its factorization.
20318004896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 935221 (or 935213 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 41.
The spelling of 20318004896 in words is "twenty billion, three hundred eighteen million, four thousand, eight hundred ninety-six".
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