Base | Representation |
---|---|
bin | 1100010110100001001… |
… | …0010010000010001110 |
3 | 202021201210102100112001 |
4 | 3011220102102002032 |
5 | 11434042433123210 |
6 | 241252411102514 |
7 | 21221405625022 |
oct | 3055022220216 |
9 | 667653370461 |
10 | 212203020430 |
11 | 81aa4089055 |
12 | 35162441a3a |
13 | 1701a557a1b |
14 | a3b0a6a382 |
15 | 57be94903a |
hex | 316849208e |
212203020430 has 8 divisors (see below), whose sum is σ = 381965436792. Its totient is φ = 84881208168.
The previous prime is 212203020383. The next prime is 212203020439. The reversal of 212203020430 is 34020302212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2122030204302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212203020398 and 212203020407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212203020439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610151012 + ... + 10610151031.
It is an arithmetic number, because the mean of its divisors is an integer number (47745679599).
Almost surely, 2212203020430 is an apocalyptic number.
212203020430 is a deficient number, since it is larger than the sum of its proper divisors (169762416362).
212203020430 is a wasteful number, since it uses less digits than its factorization.
212203020430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21220302050.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 212203020430 its reverse (34020302212), we get a palindrome (246223322642).
The spelling of 212203020430 in words is "two hundred twelve billion, two hundred three million, twenty thousand, four hundred thirty".
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