Base | Representation |
---|---|
bin | 10011001101100000… |
… | …011100000000000000 |
3 | 1222020120122211012002 |
4 | 103031200130000000 |
5 | 314221142424020 |
6 | 13250511123132 |
7 | 1330113400121 |
oct | 231540340000 |
9 | 58216584162 |
10 | 20627701760 |
11 | 8825888706 |
12 | 3bb82134a8 |
13 | 1c397523b3 |
14 | dd9800048 |
15 | 80ae0b975 |
hex | 4cd81c000 |
20627701760 has 120 divisors (see below), whose sum is σ = 50449646016. Its totient is φ = 8093696000.
The previous prime is 20627701753. The next prime is 20627701837. The reversal of 20627701760 is 6710772602.
It is a congruent number.
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, 4339385 + ... + 4344135.
Almost surely, 220627701760 is an apocalyptic number.
20627701760 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 20627701760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25224823008).
20627701760 is an abundant number, since it is smaller than the sum of its proper divisors (29821944256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20627701760 is an frugal number, since it uses more digits than its factorization.
20627701760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4837 (or 4811 counting only the distinct ones).
The product of its (nonzero) digits is 49392, while the sum is 38.
The spelling of 20627701760 in words is "twenty billion, six hundred twenty-seven million, seven hundred one thousand, seven hundred sixty".
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