| Base | Representation |
|---|---|
| bin | 10111111111111… |
| … | …00001000000000 |
| 3 | 112000210122101121 |
| 4 | 23333330020000 |
| 5 | 403013420340 |
| 6 | 31550442024 |
| 7 | 4663053502 |
| oct | 1377741000 |
| 9 | 460718347 |
| 10 | 201310720 |
| 11 | a36a87a6 |
| 12 | 57503314 |
| 13 | 32925a90 |
| 14 | 1ca43d72 |
| 15 | 12a1794a |
| hex | bffc200 |
201310720 has 160 divisors (see below), whose sum is σ = 544465152. Its totient is φ = 70828032.
The previous prime is 201310717. The next prime is 201310741. The reversal of 201310720 is 27013102.
It is a happy number.
201310720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 201310694 and 201310703.
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, 765309 + ... + 765571.
Almost surely, 2201310720 is an apocalyptic number.
201310720 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 201310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272232576).
201310720 is an abundant number, since it is smaller than the sum of its proper divisors (343154432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201310720 is a wasteful number, since it uses less digits than its factorization.
201310720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 306 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 201310720 is about 14188.4008965070. The cubic root of 201310720 is about 586.0782898114.
Adding to 201310720 its reverse (27013102), we get a palindrome (228323822).
It can be divided in two parts, 20 and 1310720, that multiplied together give a square (26214400 = 51202).
The spelling of 201310720 in words is "two hundred one million, three hundred ten thousand, seven hundred twenty".
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