Base | Representation |
---|---|
bin | 1001001111011111010101… |
… | …00011011100110001010001 |
3 | 2122221220022110111010022100 |
4 | 10213233222203130301101 |
5 | 10130434333403020201 |
6 | 111120241443431013 |
7 | 4165214266626222 |
oct | 447575243346121 |
9 | 78856273433270 |
10 | 20323425438801 |
11 | 6526130914211 |
12 | 2342996085469 |
13 | b4564c37bc24 |
14 | 503932595249 |
15 | 2539d3d90886 |
hex | 127bea8dcc51 |
20323425438801 has 9 divisors (see below), whose sum is σ = 29356078502491. Its totient is φ = 13548941276232.
The previous prime is 20323425438769. The next prime is 20323425438803. The reversal of 20323425438801 is 10883452432302.
The square root of 20323425438801 is 4508151.
It is a perfect power (a square), and thus also a powerful number.
20323425438801 is a `hidden beast` number, since 2 + 0 + 3 + 23 + 4 + 2 + 543 + 8 + 80 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 5045302130625 + 15278123308176 = 2246175^2 + 3908724^2 .
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 20323425438801 - 25 = 20323425438769 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20323425438803) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12773095 + ... + 14275811.
Almost surely, 220323425438801 is an apocalyptic number.
20323425438801 is the 4508151-st square number.
20323425438801 is the 2254076-th centered octagonal number.
It is an amenable number.
20323425438801 is a deficient number, since it is larger than the sum of its proper divisors (9032653063690).
20323425438801 is an frugal number, since it uses more digits than its factorization.
20323425438801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3005440 (or 1502720 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 45.
The spelling of 20323425438801 in words is "twenty trillion, three hundred twenty-three billion, four hundred twenty-five million, four hundred thirty-eight thousand, eight hundred one".
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