Base | Representation |
---|---|
bin | 1011110101111001110… |
… | …1100001011101111000 |
3 | 201110010122210110121020 |
4 | 2331132131201131320 |
5 | 11313130223313342 |
6 | 233243550142440 |
7 | 20461431452352 |
oct | 2753635413570 |
9 | 643118713536 |
10 | 203448260472 |
11 | 7931126a346 |
12 | 3351a4b1a20 |
13 | 162538416a2 |
14 | 9bc00520d2 |
15 | 545b0610ec |
hex | 2f5e761778 |
203448260472 has 128 divisors (see below), whose sum is σ = 535424256000. Its totient is φ = 64331205120.
The previous prime is 203448260417. The next prime is 203448260531. The reversal of 203448260472 is 274062844302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67387779 + ... + 67390797.
It is an arithmetic number, because the mean of its divisors is an integer number (4183002000).
Almost surely, 2203448260472 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 203448260472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267712128000).
203448260472 is an abundant number, since it is smaller than the sum of its proper divisors (331975995528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203448260472 is a wasteful number, since it uses less digits than its factorization.
203448260472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4821 (or 4817 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 42.
The spelling of 203448260472 in words is "two hundred three billion, four hundred forty-eight million, two hundred sixty thousand, four hundred seventy-two".
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