Base | Representation |
---|---|
bin | 10010111101110001… |
… | …111000001100000000 |
3 | 1221120012011011102221 |
4 | 102331301320030000 |
5 | 313201120310313 |
6 | 13204403420424 |
7 | 1320430524460 |
oct | 227561701400 |
9 | 57505134387 |
10 | 20363838208 |
11 | 86aa94605a |
12 | 3b43984714 |
13 | 1bc6b9770c |
14 | db2755ba0 |
15 | 7e2b89c8d |
hex | 4bdc78300 |
20363838208 has 36 divisors (see below), whose sum is σ = 46455010000. Its totient is φ = 8727358464.
The previous prime is 20363838199. The next prime is 20363838211. The reversal of 20363838208 is 80283836302.
It is a happy number.
It is a super-3 number, since 3×203638382083 (a number of 32 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680083 + ... + 5683666.
Almost surely, 220363838208 is an apocalyptic number.
20363838208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20363838208 is an abundant number, since it is smaller than the sum of its proper divisors (26091171792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20363838208 is an equidigital number, since it uses as much as digits as its factorization.
20363838208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11363772 (or 11363758 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 43.
The spelling of 20363838208 in words is "twenty billion, three hundred sixty-three million, eight hundred thirty-eight thousand, two hundred eight".
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