Base | Representation |
---|---|
bin | 100001111100100010… |
… | …0111110001011110000 |
3 | 20222011102000200100220 |
4 | 1003321010332023300 |
5 | 2143243431304200 |
6 | 53253343413040 |
7 | 5160326245464 |
oct | 1037104761360 |
9 | 228142020326 |
10 | 72898306800 |
11 | 28a09214950 |
12 | 121655b4180 |
13 | 6b49a447a7 |
14 | 375790a4a4 |
15 | 1d69cb84a0 |
hex | 10f913e2f0 |
72898306800 has 240 divisors, whose sum is σ = 265823486208. Its totient is φ = 16903884800.
The previous prime is 72898306771. The next prime is 72898306801. The reversal of 72898306800 is 860389827.
It is a tau number, because it is divible by the number of its divisors (240).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72898306801) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183544 + ... + 423656.
Almost surely, 272898306800 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72898306800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132911743104).
72898306800 is an abundant number, since it is smaller than the sum of its proper divisors (192925179408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72898306800 is a wasteful number, since it uses less digits than its factorization.
72898306800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240168 (or 240157 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 51.
The spelling of 72898306800 in words is "seventy-two billion, eight hundred ninety-eight million, three hundred six thousand, eight hundred".
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