Base | Representation |
---|---|
bin | 111111101101001001… |
… | …001001011010110110 |
3 | 20112120010111220012022 |
4 | 333231021021122312 |
5 | 2110042143420020 |
6 | 51231323553142 |
7 | 4641043551263 |
oct | 775511113266 |
9 | 215503456168 |
10 | 68403107510 |
11 | 27011853111 |
12 | 1131008b7b2 |
13 | 65b165c15a |
14 | 344c8d026a |
15 | 1ba5327625 |
hex | fed2496b6 |
68403107510 has 32 divisors (see below), whose sum is σ = 127167265440. Its totient is φ = 26477238528.
The previous prime is 68403107491. The next prime is 68403107533. The reversal of 68403107510 is 1570130486.
It is a congruent number.
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, 845300 + ... + 922679.
It is an arithmetic number, because the mean of its divisors is an integer number (3973977045).
Almost surely, 268403107510 is an apocalyptic number.
68403107510 is a deficient number, since it is larger than the sum of its proper divisors (58764157930).
68403107510 is a wasteful number, since it uses less digits than its factorization.
68403107510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1768112.
The product of its (nonzero) digits is 20160, while the sum is 35.
Adding to 68403107510 its reverse (1570130486), we get a palindrome (69973237996).
The spelling of 68403107510 in words is "sixty-eight billion, four hundred three million, one hundred seven thousand, five hundred ten".
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