Base | Representation |
---|---|
bin | 10011001001011110… |
… | …010110100010101000 |
3 | 1222001212100120021101 |
4 | 103021132112202220 |
5 | 314101332434443 |
6 | 13240053051144 |
7 | 1325332336540 |
oct | 231136264250 |
9 | 58055316241 |
10 | 20560046248 |
11 | 87a0679065 |
12 | 3b99626ab4 |
13 | 1c28724a51 |
14 | dd082c320 |
15 | 804ee584d |
hex | 4c97968a8 |
20560046248 has 64 divisors (see below), whose sum is σ = 45607593600. Its totient is φ = 8501794560.
The previous prime is 20560046209. The next prime is 20560046261. The reversal of 20560046248 is 84264006502.
It is a super-3 number, since 3×205600462483 (a number of 32 digits) contains 333 as substring.
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, 3028618 + ... + 3035398.
It is an arithmetic number, because the mean of its divisors is an integer number (712618650).
Almost surely, 220560046248 is an apocalyptic number.
20560046248 is a gapful number since it is divisible by the number (28) 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 20560046248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22803796800).
20560046248 is an abundant number, since it is smaller than the sum of its proper divisors (25047547352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20560046248 is a wasteful number, since it uses less digits than its factorization.
20560046248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8690 (or 8686 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 37.
The spelling of 20560046248 in words is "twenty billion, five hundred sixty million, forty-six thousand, two hundred forty-eight".
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