Base | Representation |
---|---|
bin | 10001101000000111111… |
… | …000111001101101011000 |
3 | 11021210121111100212220010 |
4 | 101220013320321231120 |
5 | 124321232130300144 |
6 | 2324245232201520 |
7 | 153341316521151 |
oct | 21500770715530 |
9 | 4253544325803 |
10 | 1211313134424 |
11 | 42779575a468 |
12 | 1769163992a0 |
13 | 8a2c335b5a3 |
14 | 428b0c2a928 |
15 | 21797ed05b9 |
hex | 11a07e39b58 |
1211313134424 has 64 divisors (see below), whose sum is σ = 3057222009600. Its totient is φ = 399915294336.
The previous prime is 1211313134411. The next prime is 1211313134459. The reversal of 1211313134424 is 4244313131121.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 1211313134391 and 1211313134400.
It is a congruent number.
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, 6932437 + ... + 7105019.
It is an arithmetic number, because the mean of its divisors is an integer number (47769093900).
Almost surely, 21211313134424 is an apocalyptic number.
It is an amenable number.
1211313134424 is an abundant number, since it is smaller than the sum of its proper divisors (1845908875176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211313134424 is a wasteful number, since it uses less digits than its factorization.
1211313134424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175384 (or 175380 counting only the distinct ones).
The product of its digits is 6912, while the sum is 30.
Adding to 1211313134424 its reverse (4244313131121), we get a palindrome (5455626265545).
The spelling of 1211313134424 in words is "one trillion, two hundred eleven billion, three hundred thirteen million, one hundred thirty-four thousand, four hundred twenty-four".
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