Base | Representation |
---|---|
bin | 1101000110010001000… |
… | …0101110001010110000 |
3 | 210111211001120220212212 |
4 | 3101210100232022300 |
5 | 12141320210420100 |
6 | 251212320111252 |
7 | 22154133610301 |
oct | 3214420561260 |
9 | 714731526785 |
10 | 225020404400 |
11 | 87481174370 |
12 | 3773aa65528 |
13 | 182b0b4abac |
14 | ac6905a7a8 |
15 | 5cbed27635 |
hex | 346442e2b0 |
225020404400 has 120 divisors (see below), whose sum is σ = 590668717104. Its totient is φ = 81699251200.
The previous prime is 225020404397. The next prime is 225020404451. The reversal of 225020404400 is 4404020522.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2834042 + ... + 2912358.
Almost surely, 2225020404400 is an apocalyptic number.
225020404400 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 225020404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295334358552).
225020404400 is an abundant number, since it is smaller than the sum of its proper divisors (365648312704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225020404400 is a wasteful number, since it uses less digits than its factorization.
225020404400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78999 (or 78988 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 23.
Adding to 225020404400 its reverse (4404020522), we get a palindrome (229424424922).
The spelling of 225020404400 in words is "two hundred twenty-five billion, twenty million, four hundred four thousand, four hundred".
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