Base | Representation |
---|---|
bin | 10110100010100110… |
… | …10110011000010111 |
3 | 1011020101000002220222 |
4 | 23101103112120113 |
5 | 144240432221033 |
6 | 5320451544555 |
7 | 605612405114 |
oct | 132123263027 |
9 | 34211002828 |
10 | 12101445143 |
11 | 514aa4a937 |
12 | 24188bb15b |
13 | 11ab193038 |
14 | 82b2a790b |
15 | 4ac60d598 |
hex | 2d14d6617 |
12101445143 has 4 divisors (see below), whose sum is σ = 12105898560. Its totient is φ = 12096991728.
The previous prime is 12101445131. The next prime is 12101445163. The reversal of 12101445143 is 34154410121.
12101445143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12101445143 - 212 = 12101441047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12101445113) 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 3 ways as a sum of consecutive naturals, for example, 2222630 + ... + 2228067.
It is an arithmetic number, because the mean of its divisors is an integer number (3026474640).
Almost surely, 212101445143 is an apocalyptic number.
12101445143 is a deficient number, since it is larger than the sum of its proper divisors (4453417).
12101445143 is an equidigital number, since it uses as much as digits as its factorization.
12101445143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4453416.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 12101445143 its reverse (34154410121), we get a palindrome (46255855264).
The spelling of 12101445143 in words is "twelve billion, one hundred one million, four hundred forty-five thousand, one hundred forty-three".
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