Base | Representation |
---|---|
bin | 11111001001100111111110… |
… | …00011100111011110110101 |
3 | 22222112120112212201122001202 |
4 | 33210303333003213132311 |
5 | 32434302323344343322 |
6 | 401404353555502245 |
7 | 20266664130234563 |
oct | 1744637703473665 |
9 | 288476485648052 |
10 | 68500417574837 |
11 | 1a90a955a11a06 |
12 | 7823a0b2b7985 |
13 | 2c2b73bc76301 |
14 | 12cb61b856a33 |
15 | 7dbcbe132292 |
hex | 3e4cff0e77b5 |
68500417574837 has 4 divisors (see below), whose sum is σ = 69039790941696. Its totient is φ = 67961044207980.
The previous prime is 68500417574819. The next prime is 68500417574863. The reversal of 68500417574837 is 73847571400586.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68500417574837 - 26 = 68500417574773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68500417574137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269686683239 + ... + 269686683492.
It is an arithmetic number, because the mean of its divisors is an integer number (17259947735424).
Almost surely, 268500417574837 is an apocalyptic number.
It is an amenable number.
68500417574837 is a deficient number, since it is larger than the sum of its proper divisors (539373366859).
68500417574837 is a wasteful number, since it uses less digits than its factorization.
68500417574837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539373366858.
The product of its (nonzero) digits is 158054400, while the sum is 65.
The spelling of 68500417574837 in words is "sixty-eight trillion, five hundred billion, four hundred seventeen million, five hundred seventy-four thousand, eight hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •