Base | Representation |
---|---|
bin | 10010110010000100011… |
… | …001001000010100110100 |
3 | 11120101112220011002221020 |
4 | 102302010121020110310 |
5 | 132121334102302022 |
6 | 2424540012021140 |
7 | 162152013421512 |
oct | 22620431102464 |
9 | 4511486132836 |
10 | 1290711369012 |
11 | 458429a1225a |
12 | 18a1947617b0 |
13 | 949378ca0a0 |
14 | 46683abd4b2 |
15 | 2389373335c |
hex | 12c84648534 |
1290711369012 has 24 divisors (see below), whose sum is σ = 3243326004576. Its totient is φ = 397141959648.
The previous prime is 1290711369011. The next prime is 1290711369019. The reversal of 1290711369012 is 2109631170921.
It is a super-2 number, since 2×12907113690122 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1290711369011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4136895258 + ... + 4136895569.
It is an arithmetic number, because the mean of its divisors is an integer number (135138583524).
Almost surely, 21290711369012 is an apocalyptic number.
1290711369012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1290711369012 is an abundant number, since it is smaller than the sum of its proper divisors (1952614635564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1290711369012 is a wasteful number, since it uses less digits than its factorization.
1290711369012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8273790847 (or 8273790845 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 42.
The spelling of 1290711369012 in words is "one trillion, two hundred ninety billion, seven hundred eleven million, three hundred sixty-nine thousand, twelve".
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