Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1101101101100000101 |
3 | 100200021100021001202022 |
4 | 1132101103231230011 |
5 | 3124300330041010 |
6 | 114300101052525 |
7 | 10212243520160 |
oct | 1362123555405 |
9 | 320240231668 |
10 | 101222112005 |
11 | 39a23274a23 |
12 | 1774b0b7145 |
13 | 9711a76741 |
14 | 4c834a8ad7 |
15 | 2976691d55 |
hex | 17914edb05 |
101222112005 has 16 divisors (see below), whose sum is σ = 138853630080. Its totient is φ = 69392081472.
The previous prime is 101222111941. The next prime is 101222112007. The reversal of 101222112005 is 500211222101.
It is not a de Polignac number, because 101222112005 - 26 = 101222111941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101222112007) by changing a digit.
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, 219134 + ... + 500463.
It is an arithmetic number, because the mean of its divisors is an integer number (8678351880).
Almost surely, 2101222112005 is an apocalyptic number.
It is an amenable number.
101222112005 is a deficient number, since it is larger than the sum of its proper divisors (37631518075).
101222112005 is an equidigital number, since it uses as much as digits as its factorization.
101222112005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723628.
The product of its (nonzero) digits is 80, while the sum is 17.
Adding to 101222112005 its reverse (500211222101), we get a palindrome (601433334106).
The spelling of 101222112005 in words is "one hundred one billion, two hundred twenty-two million, one hundred twelve thousand, five".
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