Base | Representation |
---|---|
bin | 10010111010010101… |
… | …011111000000000000 |
3 | 1221102011102220020202 |
4 | 102322111133000000 |
5 | 313041323011420 |
6 | 13154541224332 |
7 | 1316126455622 |
oct | 227225370000 |
9 | 57364386222 |
10 | 20306063360 |
11 | 8680274a50 |
12 | 3b285620a8 |
13 | 1bb7c1950b |
14 | da8bd6c12 |
15 | 7dca76575 |
hex | 4ba55f000 |
20306063360 has 208 divisors, whose sum is σ = 55483868160. Its totient is φ = 7061176320.
The previous prime is 20306063357. The next prime is 20306063377. The reversal of 20306063360 is 6336060302.
It is a happy number.
It is a congruent 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, 5179481 + ... + 5183399.
Almost surely, 220306063360 is an apocalyptic number.
20306063360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20306063360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27741934080).
20306063360 is an abundant number, since it is smaller than the sum of its proper divisors (35177804800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20306063360 is a wasteful number, since it uses less digits than its factorization.
20306063360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3982 (or 3960 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 29.
The spelling of 20306063360 in words is "twenty billion, three hundred six million, sixty-three thousand, three hundred sixty".
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