Base | Representation |
---|---|
bin | 10001110010000101001… |
… | …011001010011111000000 |
3 | 11022211012122000100120121 |
4 | 101302011023022133000 |
5 | 130010131240231240 |
6 | 2333214212150024 |
7 | 154200265121155 |
oct | 21620513123700 |
9 | 4284178010517 |
10 | 1222005008320 |
11 | 431281a73588 |
12 | 1789bb008314 |
13 | 8b3084a14a5 |
14 | 43206c1022c |
15 | 21bc19a804a |
hex | 11c852ca7c0 |
1222005008320 has 56 divisors (see below), whose sum is σ = 2971812216384. Its totient is φ = 478401954816.
The previous prime is 1222005008317. The next prime is 1222005008321. The reversal of 1222005008320 is 238005002221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222005008321) by changing a digit.
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, 40610127 + ... + 40640206.
Almost surely, 21222005008320 is an apocalyptic number.
1222005008320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222005008320 is an abundant number, since it is smaller than the sum of its proper divisors (1749807208064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222005008320 is an equidigital number, since it uses as much as digits as its factorization.
1222005008320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81250397 (or 81250387 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The spelling of 1222005008320 in words is "one trillion, two hundred twenty-two billion, five million, eight thousand, three hundred twenty".
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