Base | Representation |
---|---|
bin | 101110101010110101… |
… | …1000111110001111110 |
3 | 100120200121122120012012 |
4 | 1131111223013301332 |
5 | 3120223213141410 |
6 | 114012521011222 |
7 | 10145404450022 |
oct | 1352553076176 |
9 | 316617576165 |
10 | 100221615230 |
11 | 3955a541990 |
12 | 17510023b12 |
13 | 95b26c4409 |
14 | 4bca66c382 |
15 | 2918913605 |
hex | 1755ac7c7e |
100221615230 has 64 divisors (see below), whose sum is σ = 203497297920. Its totient is φ = 35207817600.
The previous prime is 100221615223. The next prime is 100221615233. The reversal of 100221615230 is 32516122001.
100221615230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 100221615196 and 100221615205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100221615233) by changing a digit.
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, 1976636 + ... + 2026704.
It is an arithmetic number, because the mean of its divisors is an integer number (3179645280).
Almost surely, 2100221615230 is an apocalyptic number.
100221615230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100221615230 is an abundant number, since it is smaller than the sum of its proper divisors (103275682690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100221615230 is a wasteful number, since it uses less digits than its factorization.
100221615230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50705.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 100221615230 its reverse (32516122001), we get a palindrome (132737737231).
The spelling of 100221615230 in words is "one hundred billion, two hundred twenty-one million, six hundred fifteen thousand, two hundred thirty".
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