Base | Representation |
---|---|
bin | 11111000011010010001100… |
… | …01110100100100100010000 |
3 | 22221202202020120212200002122 |
4 | 33201221012032210210100 |
5 | 32422220144440443340 |
6 | 401120325005433412 |
7 | 20245152461023061 |
oct | 1741510616444420 |
9 | 287682216780078 |
10 | 68282568296720 |
11 | 1a836524753998 |
12 | 77a9751b6b868 |
13 | 2c14031a1920b |
14 | 12c0c72d80568 |
15 | 7d62bdb77db5 |
hex | 3e1a463a4910 |
68282568296720 has 80 divisors (see below), whose sum is σ = 161847039489600. Its totient is φ = 26784108172800.
The previous prime is 68282568296699. The next prime is 68282568296729. The reversal of 68282568296720 is 2769286528286.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (68282568296729) 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 15 ways as a sum of consecutive naturals, for example, 19521170 + ... + 22751729.
It is an arithmetic number, because the mean of its divisors is an integer number (2023087993620).
Almost surely, 268282568296720 is an apocalyptic number.
It is an amenable number.
68282568296720 is an abundant number, since it is smaller than the sum of its proper divisors (93564471192880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68282568296720 is a wasteful number, since it uses less digits than its factorization.
68282568296720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42273304 (or 42273298 counting only the distinct ones).
The product of its (nonzero) digits is 557383680, while the sum is 71.
The spelling of 68282568296720 in words is "sixty-eight trillion, two hundred eighty-two billion, five hundred sixty-eight million, two hundred ninety-six thousand, seven hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •