Base | Representation |
---|---|
bin | 1011110010100010010… |
… | …0011011111010000000 |
3 | 201100210122110111202221 |
4 | 2330220210123322000 |
5 | 11304302242244130 |
6 | 233014131020424 |
7 | 20430142320016 |
oct | 2745044337200 |
9 | 640718414687 |
10 | 202544103040 |
11 | 789979584a4 |
12 | 3330773a714 |
13 | 1613b4208a6 |
14 | 9b35d328b6 |
15 | 54069b287a |
hex | 2f2891be80 |
202544103040 has 64 divisors (see below), whose sum is σ = 484963371720. Its totient is φ = 80891084800.
The previous prime is 202544103007. The next prime is 202544103061. The reversal of 202544103040 is 40301445202.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 201371177536 + 1172925504 = 448744^2 + 34248^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×2025441030402 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202544102996 and 202544103014.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163380 + ... + 657100.
Almost surely, 2202544103040 is an apocalyptic number.
202544103040 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 202544103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242481685860).
202544103040 is an abundant number, since it is smaller than the sum of its proper divisors (282419268680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202544103040 is an equidigital number, since it uses as much as digits as its factorization.
202544103040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494381 (or 494369 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 202544103040 its reverse (40301445202), we get a palindrome (242845548242).
The spelling of 202544103040 in words is "two hundred two billion, five hundred forty-four million, one hundred three thousand, forty".
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