Base | Representation |
---|---|
bin | 10001101010000110110… |
… | …011000010000101100110 |
3 | 11022000002212202211010222 |
4 | 101222012303002011212 |
5 | 124340112212133220 |
6 | 2325240411444342 |
7 | 153445142246540 |
oct | 21520663020546 |
9 | 4260085684128 |
10 | 1213442302310 |
11 | 4286885aa847 |
12 | 17720b4566b2 |
13 | 8a5724bc744 |
14 | 42a3390a690 |
15 | 2186eda9e25 |
hex | 11a86cc2166 |
1213442302310 has 32 divisors (see below), whose sum is σ = 2604755653632. Its totient is φ = 397948779360.
The previous prime is 1213442302273. The next prime is 1213442302351. The reversal of 1213442302310 is 132032443121.
It is a super-2 number, since 2×12134423023102 (a number of 25 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1213442302310.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 376843826 + ... + 376847045.
It is an arithmetic number, because the mean of its divisors is an integer number (81398614176).
Almost surely, 21213442302310 is an apocalyptic number.
1213442302310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213442302310 is an abundant number, since it is smaller than the sum of its proper divisors (1391313351322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213442302310 is a wasteful number, since it uses less digits than its factorization.
1213442302310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 753690908.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 1213442302310 its reverse (132032443121), we get a palindrome (1345474745431).
The spelling of 1213442302310 in words is "one trillion, two hundred thirteen billion, four hundred forty-two million, three hundred two thousand, three hundred ten".
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