Base | Representation |
---|---|
bin | 10001101011010010000… |
… | …101000101111001001000 |
3 | 11022010100220101011020200 |
4 | 101223102011011321020 |
5 | 124400204030441223 |
6 | 2330010010452200 |
7 | 153521346632346 |
oct | 21532205057110 |
9 | 4263326334220 |
10 | 1214705327688 |
11 | 429176543476 |
12 | 177502434060 |
13 | 8a71407cc38 |
14 | 42b13564996 |
15 | 218e5be4a43 |
hex | 11ad2145e48 |
1214705327688 has 192 divisors, whose sum is σ = 3520298745600. Its totient is φ = 377259949440.
The previous prime is 1214705327681. The next prime is 1214705327701. The reversal of 1214705327688 is 8867235074121.
1214705327688 is a `hidden beast` number, since 1 + 2 + 1 + 47 + 0 + 532 + 7 + 68 + 8 = 666.
It is a super-2 number, since 2×12147053276882 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1214705327681) 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 47 ways as a sum of consecutive naturals, for example, 58924503 + ... + 58945113.
It is an arithmetic number, because the mean of its divisors is an integer number (18334889300).
Almost surely, 21214705327688 is an apocalyptic number.
1214705327688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1214705327688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760149372800).
1214705327688 is an abundant number, since it is smaller than the sum of its proper divisors (2305593417912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214705327688 is a wasteful number, since it uses less digits than its factorization.
1214705327688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21352 (or 21345 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 1214705327688 in words is "one trillion, two hundred fourteen billion, seven hundred five million, three hundred twenty-seven thousand, six hundred eighty-eight".
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