Base | Representation |
---|---|
bin | 100000000110110111… |
… | …0101000000011001010 |
3 | 20120222020012220201012 |
4 | 1000031232220003022 |
5 | 2112202122200320 |
6 | 51401453323522 |
7 | 4660432441301 |
oct | 1001556500312 |
9 | 216866186635 |
10 | 68949803210 |
11 | 27272403742 |
12 | 114431965a2 |
13 | 666a9b3632 |
14 | 34a135d438 |
15 | 1bd83164c5 |
hex | 100dba80ca |
68949803210 has 32 divisors (see below), whose sum is σ = 125535128400. Its totient is φ = 27263301120.
The previous prime is 68949803179. The next prime is 68949803239. The reversal of 68949803210 is 1230894986.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 10800821329 + 58148981881 = 103927^2 + 241141^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5174036 + ... + 5187344.
Almost surely, 268949803210 is an apocalyptic number.
68949803210 is a deficient number, since it is larger than the sum of its proper divisors (56585325190).
68949803210 is a wasteful number, since it uses less digits than its factorization.
68949803210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19226.
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 68949803210 in words is "sixty-eight billion, nine hundred forty-nine million, eight hundred three thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •