Base | Representation |
---|---|
bin | 10010101100000100… |
… | …111101011000100000 |
3 | 1220210111022121200010 |
4 | 102230010331120200 |
5 | 312044103202321 |
6 | 13115114124520 |
7 | 1310163261561 |
oct | 225404753040 |
9 | 56714277603 |
10 | 20066850336 |
11 | 8568239735 |
12 | 3a80420740 |
13 | 1b7a4b2950 |
14 | d85128168 |
15 | 7c6a73676 |
hex | 4ac13d620 |
20066850336 has 48 divisors (see below), whose sum is σ = 56727445824. Its totient is φ = 6174415104.
The previous prime is 20066850329. The next prime is 20066850347. The reversal of 20066850336 is 63305866002.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 20066850294 and 20066850303.
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, 8038356 + ... + 8040851.
It is an arithmetic number, because the mean of its divisors is an integer number (1181821788).
Almost surely, 220066850336 is an apocalyptic number.
20066850336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
20066850336 is an abundant number, since it is smaller than the sum of its proper divisors (36660595488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20066850336 is a wasteful number, since it uses less digits than its factorization.
20066850336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16079233 (or 16079225 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 39.
The spelling of 20066850336 in words is "twenty billion, sixty-six million, eight hundred fifty thousand, three hundred thirty-six".
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