Base | Representation |
---|---|
bin | 1100011001011111011… |
… | …0011111010101000100 |
3 | 202100210102001000020121 |
4 | 3012113312133111010 |
5 | 11442211231304340 |
6 | 241503515311324 |
7 | 21250235656162 |
oct | 3062766372504 |
9 | 670712030217 |
10 | 213001041220 |
11 | 82373597970 |
12 | 3534574b544 |
13 | 17116996a86 |
14 | a448a3c232 |
15 | 5819a2e94a |
hex | 3197d9f544 |
213001041220 has 48 divisors (see below), whose sum is σ = 488017204416. Its totient is φ = 77446800000.
The previous prime is 213001041163. The next prime is 213001041313. The reversal of 213001041220 is 22140100312.
It is a junction number, because it is equal to n+sod(n) for n = 213001041194 and 213001041203.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297770 + ... + 2388670.
It is an arithmetic number, because the mean of its divisors is an integer number (10167025092).
Almost surely, 2213001041220 is an apocalyptic number.
213001041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213001041220 is an abundant number, since it is smaller than the sum of its proper divisors (275016163196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213001041220 is a wasteful number, since it uses less digits than its factorization.
213001041220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101572 (or 101570 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 213001041220 its reverse (22140100312), we get a palindrome (235141141532).
The spelling of 213001041220 in words is "two hundred thirteen billion, one million, forty-one thousand, two hundred twenty".
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