Base | Representation |
---|---|
bin | 10001111100100001001… |
… | …011010010011100101110 |
3 | 11100220010200100202111020 |
4 | 101330201023102130232 |
5 | 130201104312034410 |
6 | 2342310241435010 |
7 | 155045101632243 |
oct | 21744113223456 |
9 | 4326120322436 |
10 | 1233212221230 |
11 | 436003170510 |
12 | 17b00833ba66 |
13 | 8c3a330a212 |
14 | 4398b41d5ca |
15 | 2212a828a70 |
hex | 11f212d272e |
1233212221230 has 64 divisors (see below), whose sum is σ = 3234742442496. Its totient is φ = 298407888000.
The previous prime is 1233212221223. The next prime is 1233212221231. The reversal of 1233212221230 is 321222123321.
It is a self number, because there is not a number n which added to its sum of digits gives 1233212221230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1233212221231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3275266 + ... + 3632325.
It is an arithmetic number, because the mean of its divisors is an integer number (50542850664).
Almost surely, 21233212221230 is an apocalyptic number.
1233212221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1233212221230 is an abundant number, since it is smaller than the sum of its proper divisors (2001530221266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1233212221230 is a wasteful number, since it uses less digits than its factorization.
1233212221230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6908153.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 1233212221230 its reverse (321222123321), we get a palindrome (1554434344551).
The spelling of 1233212221230 in words is "one trillion, two hundred thirty-three billion, two hundred twelve million, two hundred twenty-one thousand, two hundred thirty".
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