Base | Representation |
---|---|
bin | 10110100100110101… |
… | …10101001100011001 |
3 | 1011021200021010020001 |
4 | 23102122311030121 |
5 | 144310231333302 |
6 | 5322401333001 |
7 | 606230601115 |
oct | 132232651431 |
9 | 34250233201 |
10 | 12120183577 |
11 | 515a589347 |
12 | 2423037161 |
13 | 11b2024178 |
14 | 82d984745 |
15 | 4ae0b0787 |
hex | 2d26b5319 |
12120183577 has 8 divisors (see below), whose sum is σ = 12404254464. Its totient is φ = 11838164208.
The previous prime is 12120183557. The next prime is 12120183583. The reversal of 12120183577 is 77538102121.
12120183577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12120183577 - 231 = 9972699929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12120183547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500923 + ... + 524560.
It is an arithmetic number, because the mean of its divisors is an integer number (1550531808).
Almost surely, 212120183577 is an apocalyptic number.
It is an amenable number.
12120183577 is a deficient number, since it is larger than the sum of its proper divisors (284070887).
12120183577 is a wasteful number, since it uses less digits than its factorization.
12120183577 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025759.
The product of its (nonzero) digits is 23520, while the sum is 37.
Adding to 12120183577 its reverse (77538102121), we get a palindrome (89658285698).
The spelling of 12120183577 in words is "twelve billion, one hundred twenty million, one hundred eighty-three thousand, five hundred seventy-seven".
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