Base | Representation |
---|---|
bin | 10110110101100110… |
… | …00011001100000001 |
3 | 1011122110202122012212 |
4 | 23122303003030001 |
5 | 200102223000311 |
6 | 5344342231505 |
7 | 612555441026 |
oct | 133263031401 |
9 | 34573678185 |
10 | 12260750081 |
11 | 5221968008 |
12 | 2462125595 |
13 | 120519c308 |
14 | 8444d554d |
15 | 4bb5c9c8b |
hex | 2dacc3301 |
12260750081 has 8 divisors (see below), whose sum is σ = 13258183680. Its totient is φ = 11294006848.
The previous prime is 12260750063. The next prime is 12260750101. The reversal of 12260750081 is 18005706221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12260750081 - 26 = 12260750017 is a prime.
It is a super-2 number, since 2×122607500812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12260750011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671761 + ... + 7673358.
It is an arithmetic number, because the mean of its divisors is an integer number (1657272960).
Almost surely, 212260750081 is an apocalyptic number.
It is an amenable number.
12260750081 is a deficient number, since it is larger than the sum of its proper divisors (997433599).
12260750081 is a wasteful number, since it uses less digits than its factorization.
12260750081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15345183.
The product of its (nonzero) digits is 6720, while the sum is 32.
The spelling of 12260750081 in words is "twelve billion, two hundred sixty million, seven hundred fifty thousand, eighty-one".
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