Base | Representation |
---|---|
bin | 10100111101100101100… |
… | …10111000111100100000 |
3 | 2112212010002210120112200 |
4 | 22132302302320330200 |
5 | 43300042330121303 |
6 | 1310514342453200 |
7 | 103015460245401 |
oct | 12366262707440 |
9 | 2485102716480 |
10 | 720259223328 |
11 | 258507610a77 |
12 | b7711434200 |
13 | 52bc6766458 |
14 | 26c09bc79a8 |
15 | 13b0797a3a3 |
hex | a7b2cb8f20 |
720259223328 has 162 divisors, whose sum is σ = 2098782970011. Its totient is φ = 234301366656.
The previous prime is 720259223317. The next prime is 720259223329. The reversal of 720259223328 is 823322952027.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
720259223328 is a `hidden beast` number, since 7 + 2 + 0 + 2 + 592 + 2 + 33 + 28 = 666.
720259223328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 360129611664 + 360129611664 = 600108^2 + 600108^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=600108.
It is a super-3 number, since 3×7202592233283 (a number of 37 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (720259223329) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 619310875 + ... + 619312037.
Almost surely, 2720259223328 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 720259223328
720259223328 is an abundant number, since it is smaller than the sum of its proper divisors (1378523746683).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
720259223328 is an equidigital number, since it uses as much as digits as its factorization.
720259223328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2428 (or 1211 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 720259223328 in words is "seven hundred twenty billion, two hundred fifty-nine million, two hundred twenty-three thousand, three hundred twenty-eight".
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