Base | Representation |
---|---|
bin | 10111100011111111… |
… | …110101110111010100 |
3 | 2102022012102011201220 |
4 | 113203333311313110 |
5 | 403303300001322 |
6 | 15342254450340 |
7 | 1553646311364 |
oct | 274377656724 |
9 | 72265364656 |
10 | 25300000212 |
11 | a803210693 |
12 | 4aa0b039b0 |
13 | 2502734436 |
14 | 132015a9a4 |
15 | 9d11d155c |
hex | 5e3ff5dd4 |
25300000212 has 24 divisors (see below), whose sum is σ = 59339211456. Its totient is φ = 8389636608.
The previous prime is 25300000199. The next prime is 25300000241. The reversal of 25300000212 is 21200000352.
It is a junction number, because it is equal to n+sod(n) for n = 25300000191 and 25300000200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459688 + ... + 5464319.
It is an arithmetic number, because the mean of its divisors is an integer number (2472467144).
Almost surely, 225300000212 is an apocalyptic number.
It is an amenable number.
25300000212 is an abundant number, since it is smaller than the sum of its proper divisors (34039211244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25300000212 is a wasteful number, since it uses less digits than its factorization.
25300000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10924207 (or 10924205 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
Adding to 25300000212 its reverse (21200000352), we get a palindrome (46500000564).
The spelling of 25300000212 in words is "twenty-five billion, three hundred million, two hundred twelve", and thus it is an aban number.
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