Base | Representation |
---|---|
bin | 100000000100111101… |
… | …0001010101111000010 |
3 | 20120210202122011002001 |
4 | 1000021322022233002 |
5 | 2112034221020002 |
6 | 51351244014214 |
7 | 4656023646631 |
oct | 1001172125702 |
9 | 216722564061 |
10 | 68885720002 |
11 | 2723a214010 |
12 | 1142583136a |
13 | 665a636c88 |
14 | 3496a3b518 |
15 | 1bd28a8a87 |
hex | 1009e8abc2 |
68885720002 has 16 divisors (see below), whose sum is σ = 113227575552. Its totient is φ = 31171277520.
The previous prime is 68885719993. The next prime is 68885720017. The reversal of 68885720002 is 20002758886.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015653 + ... + 7025464.
It is an arithmetic number, because the mean of its divisors is an integer number (7076723472).
Almost surely, 268885720002 is an apocalyptic number.
68885720002 is a deficient number, since it is larger than the sum of its proper divisors (44341855550).
68885720002 is a wasteful number, since it uses less digits than its factorization.
68885720002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14041353.
The product of its (nonzero) digits is 430080, while the sum is 46.
It can be divided in two parts, 68885 and 720002, that added together give a palindrome (788887).
The spelling of 68885720002 in words is "sixty-eight billion, eight hundred eighty-five million, seven hundred twenty thousand, two".
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