Base | Representation |
---|---|
bin | 10001101001111110100… |
… | …000011110101100100110 |
3 | 11021222202012001202111110 |
4 | 101221332200132230212 |
5 | 124334321111033110 |
6 | 2325214522445450 |
7 | 153441533134005 |
oct | 21517640365446 |
9 | 4258665052443 |
10 | 1213303221030 |
11 | 428617045a3a |
12 | 177190963886 |
13 | 8a54c744624 |
14 | 42a1d264c3c |
15 | 21862a85a20 |
hex | 11a7e81eb26 |
1213303221030 has 16 divisors (see below), whose sum is σ = 2911927730544. Its totient is φ = 323547525600.
The previous prime is 1213303220993. The next prime is 1213303221043. The reversal of 1213303221030 is 301223033121.
It is a junction number, because it is equal to n+sod(n) for n = 1213303220988 and 1213303221006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20221720321 + ... + 20221720380.
It is an arithmetic number, because the mean of its divisors is an integer number (181995483159).
Almost surely, 21213303221030 is an apocalyptic number.
1213303221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213303221030 is an abundant number, since it is smaller than the sum of its proper divisors (1698624509514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213303221030 is a wasteful number, since it uses less digits than its factorization.
1213303221030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40443440711.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1213303221030 its reverse (301223033121), we get a palindrome (1514526254151).
The spelling of 1213303221030 in words is "one trillion, two hundred thirteen billion, three hundred three million, two hundred twenty-one thousand, thirty".
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