Base | Representation |
---|---|
bin | 10001101001101101001… |
… | …101111000011110101110 |
3 | 11021221222222012202211212 |
4 | 101221231031320132232 |
5 | 124333222330230410 |
6 | 2325130041114422 |
7 | 153431411336663 |
oct | 21515515703656 |
9 | 4257888182755 |
10 | 1213013133230 |
11 | 428488321758 |
12 | 17710b788a12 |
13 | 8a504607442 |
14 | 429d2911a6a |
15 | 21847383b05 |
hex | 11a6d3787ae |
1213013133230 has 16 divisors (see below), whose sum is σ = 2188286506800. Its totient is φ = 484124616192.
The previous prime is 1213013133203. The next prime is 1213013133247. The reversal of 1213013133230 is 323313103121.
It is a super-2 number, since 2×12130131332302 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1213013133196 and 1213013133205.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 135074924 + ... + 135083903.
It is an arithmetic number, because the mean of its divisors is an integer number (136767906675).
Almost surely, 21213013133230 is an apocalyptic number.
1213013133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213013133230 is a deficient number, since it is larger than the sum of its proper divisors (975273373570).
1213013133230 is a wasteful number, since it uses less digits than its factorization.
1213013133230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270159283.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 1213013133230 its reverse (323313103121), we get a palindrome (1536326236351).
The spelling of 1213013133230 in words is "one trillion, two hundred thirteen billion, thirteen million, one hundred thirty-three thousand, two hundred thirty".
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