Base | Representation |
---|---|
bin | 10001101001111110010… |
… | …100001100010100100000 |
3 | 11021222201222000010010020 |
4 | 101221332110030110200 |
5 | 124334314300000112 |
6 | 2325214325433440 |
7 | 153441463560231 |
oct | 21517624142440 |
9 | 4258658003106 |
10 | 1213300000032 |
11 | 428615245a5a |
12 | 17718b86b880 |
13 | 8a54bb87503 |
14 | 42a1ca67088 |
15 | 2186264b48c |
hex | 11a7e50c520 |
1213300000032 has 48 divisors (see below), whose sum is σ = 3194363364192. Its totient is φ = 403233223680.
The previous prime is 1213300000019. The next prime is 1213300000057. The reversal of 1213300000032 is 2300000033121.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 1213299999957 and 1213300000020.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18719194 + ... + 18783897.
It is an arithmetic number, because the mean of its divisors is an integer number (66549236754).
Almost surely, 21213300000032 is an apocalyptic number.
1213300000032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1213300000032 is an abundant number, since it is smaller than the sum of its proper divisors (1981063364160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213300000032 is a wasteful number, since it uses less digits than its factorization.
1213300000032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37503441 (or 37503433 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 1213300000032 its reverse (2300000033121), we get a palindrome (3513300033153).
The spelling of 1213300000032 in words is "one trillion, two hundred thirteen billion, three hundred million, thirty-two", and thus it is an aban number.
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