Base | Representation |
---|---|
bin | 111111100110010000… |
… | …011000010011110110 |
3 | 20112021002002121220221 |
4 | 333212100120103312 |
5 | 2104323104003443 |
6 | 51212035244554 |
7 | 4635141464644 |
oct | 774620302366 |
9 | 215232077827 |
10 | 68287562998 |
11 | 26a62604886 |
12 | 1129944975a |
13 | 6593735215 |
14 | 343b414194 |
15 | 1b9a101eed |
hex | fe64184f6 |
68287562998 has 16 divisors (see below), whose sum is σ = 104385024000. Its totient is φ = 33494972392.
The previous prime is 68287562983. The next prime is 68287562999. The reversal of 68287562998 is 89926578286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68287562999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547558 + ... + 660601.
It is an arithmetic number, because the mean of its divisors is an integer number (6524064000).
Almost surely, 268287562998 is an apocalyptic number.
68287562998 is a deficient number, since it is larger than the sum of its proper divisors (36097461002).
68287562998 is a wasteful number, since it uses less digits than its factorization.
68287562998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1208699.
The product of its digits is 209018880, while the sum is 70.
The spelling of 68287562998 in words is "sixty-eight billion, two hundred eighty-seven million, five hundred sixty-two thousand, nine hundred ninety-eight".
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