Base | Representation |
---|---|
bin | 101111001000000101… |
… | …1100111011110111100 |
3 | 100200020000200212010021 |
4 | 1132100023213132330 |
5 | 3124231010242340 |
6 | 114254144021524 |
7 | 10211624052565 |
oct | 1362013473674 |
9 | 320200625107 |
10 | 101203212220 |
11 | 39a13636270 |
12 | 177449018a4 |
13 | 970ab8a036 |
14 | 4c80b8916c |
15 | 2974babe4a |
hex | 17902e77bc |
101203212220 has 24 divisors (see below), whose sum is σ = 231847359408. Its totient is φ = 36801168000.
The previous prime is 101203212217. The next prime is 101203212221. The reversal of 101203212220 is 22212302101.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 101203212194 and 101203212203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101203212221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230007081 + ... + 230007520.
It is an arithmetic number, because the mean of its divisors is an integer number (9660306642).
Almost surely, 2101203212220 is an apocalyptic number.
101203212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101203212220 is an abundant number, since it is smaller than the sum of its proper divisors (130644147188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101203212220 is a wasteful number, since it uses less digits than its factorization.
101203212220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460014621 (or 460014619 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 101203212220 its reverse (22212302101), we get a palindrome (123415514321).
The spelling of 101203212220 in words is "one hundred one billion, two hundred three million, two hundred twelve thousand, two hundred twenty".
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