Base | Representation |
---|---|
bin | 10011110101011101… |
… | …11110010010010010 |
3 | 1000111011002201222111 |
4 | 21322232332102102 |
5 | 133302130144230 |
6 | 4520410255534 |
7 | 524615406331 |
oct | 117256762222 |
9 | 30434081874 |
10 | 10649068690 |
11 | 4575137a17 |
12 | 20924275aa |
13 | 10093065a0 |
14 | 73043dd18 |
15 | 424d6e92a |
hex | 27abbe492 |
10649068690 has 32 divisors (see below), whose sum is σ = 20648517120. Its totient is φ = 3930876864.
The previous prime is 10649068667. The next prime is 10649068849. The reversal of 10649068690 is 9686094601.
It is a super-2 number, since 2×106490686902 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578407 + ... + 596533.
It is an arithmetic number, because the mean of its divisors is an integer number (645266160).
Almost surely, 210649068690 is an apocalyptic number.
10649068690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10649068690 is a deficient number, since it is larger than the sum of its proper divisors (9999448430).
10649068690 is a wasteful number, since it uses less digits than its factorization.
10649068690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22666.
The product of its (nonzero) digits is 559872, while the sum is 49.
The spelling of 10649068690 in words is "ten billion, six hundred forty-nine million, sixty-eight thousand, six hundred ninety".
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