Base | Representation |
---|---|
bin | 10101000110111000100… |
… | …10000010000101010010 |
3 | 2120022222221020111100222 |
4 | 22203130102002011102 |
5 | 43340303024022440 |
6 | 1313101513113042 |
7 | 103253243105234 |
oct | 12433422020522 |
9 | 2508887214328 |
10 | 725250220370 |
11 | 25a638929a15 |
12 | b86849b8782 |
13 | 53510792240 |
14 | 271609c4254 |
15 | 13ceac042b5 |
hex | a8dc482152 |
725250220370 has 128 divisors (see below), whose sum is σ = 1492975411200. Its totient is φ = 251453196288.
The previous prime is 725250220319. The next prime is 725250220379. The reversal of 725250220370 is 73022052527.
It is a self number, because there is not a number n which added to its sum of digits gives 725250220370.
It is not an unprimeable number, because it can be changed into a prime (725250220379) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131789039 + ... + 131794541.
It is an arithmetic number, because the mean of its divisors is an integer number (11663870400).
Almost surely, 2725250220370 is an apocalyptic number.
725250220370 is an abundant number, since it is smaller than the sum of its proper divisors (767725190830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725250220370 is a wasteful number, since it uses less digits than its factorization.
725250220370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6004.
The product of its (nonzero) digits is 58800, while the sum is 35.
Adding to 725250220370 its reverse (73022052527), we get a palindrome (798272272897).
The spelling of 725250220370 in words is "seven hundred twenty-five billion, two hundred fifty million, two hundred twenty thousand, three hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •