Base | Representation |
---|---|
bin | 11111000100000001010100… |
… | …01000111110001001110010 |
3 | 22221212011112200121100222111 |
4 | 33202000222020332021302 |
5 | 32423124002404323021 |
6 | 401140111213555534 |
7 | 20250036422243443 |
oct | 1742005210761162 |
9 | 287764480540874 |
10 | 68307866870386 |
11 | 1a84622707a810 |
12 | 77b26324a5baa |
13 | 2c16534071230 |
14 | 12c2192c492ca |
15 | 7d6c9eb768e1 |
hex | 3e202a23e272 |
68307866870386 has 128 divisors (see below), whose sum is σ = 121348269504000. Its totient is φ = 28429885440000.
The previous prime is 68307866870381. The next prime is 68307866870387.
68307866870386 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (68307866870381) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35932596036 + ... + 35932597936.
It is an arithmetic number, because the mean of its divisors is an integer number (948033355500).
Almost surely, 268307866870386 is an apocalyptic number.
68307866870386 is a deficient number, since it is larger than the sum of its proper divisors (53040402633614).
68307866870386 is a wasteful number, since it uses less digits than its factorization.
68307866870386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3716.
The product of its (nonzero) digits is 2341011456, while the sum is 76.
The spelling of 68307866870386 in words is "sixty-eight trillion, three hundred seven billion, eight hundred sixty-six million, eight hundred seventy thousand, three hundred eighty-six".
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