Base | Representation |
---|---|
bin | 111111101001101111… |
… | …100010111000000010 |
3 | 20112102011011210202000 |
4 | 333221233202320002 |
5 | 2104433043030021 |
6 | 51221525204430 |
7 | 4636451650635 |
oct | 775157427002 |
9 | 215364153660 |
10 | 68346064386 |
11 | 26a92631836 |
12 | 112b4b60716 |
13 | 65a28a9022 |
14 | 34450c1c1c |
15 | 1ba030ab26 |
hex | fe9be2e02 |
68346064386 has 32 divisors (see below), whose sum is σ = 151895593920. Its totient is φ = 22779703872.
The previous prime is 68346064379. The next prime is 68346064387.
68346064386 is a `hidden beast` number, since 68 + 3 + 460 + 6 + 43 + 86 = 666.
68346064386 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×683460643863 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (68346064387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520026 + ... + 638058.
It is an arithmetic number, because the mean of its divisors is an integer number (4746737310).
Almost surely, 268346064386 is an apocalyptic number.
68346064386 is an abundant number, since it is smaller than the sum of its proper divisors (83549529534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68346064386 is a wasteful number, since it uses less digits than its factorization.
68346064386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128767 (or 128761 counting only the distinct ones).
The product of its (nonzero) digits is 11943936, while the sum is 54.
The spelling of 68346064386 in words is "sixty-eight billion, three hundred forty-six million, sixty-four thousand, three hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •