Base | Representation |
---|---|
bin | 111011111110011… |
… | …0111010111101111 |
3 | 12012020202202101021 |
4 | 1313330313113233 |
5 | 13110141203033 |
6 | 531405355011 |
7 | 100604331043 |
oct | 16774672757 |
9 | 5166682337 |
10 | 2012444143 |
11 | 942a77086 |
12 | 481b68a67 |
13 | 260c13568 |
14 | 1513b8023 |
15 | bba1eb2d |
hex | 77f375ef |
2012444143 has 4 divisors (see below), whose sum is σ = 2077361728. Its totient is φ = 1947526560.
The previous prime is 2012444117. The next prime is 2012444153. The reversal of 2012444143 is 3414442102.
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 2012444143 - 25 = 2012444111 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 (2012444153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32458746 + ... + 32458807.
It is an arithmetic number, because the mean of its divisors is an integer number (519340432).
Almost surely, 22012444143 is an apocalyptic number.
2012444143 is a deficient number, since it is larger than the sum of its proper divisors (64917585).
2012444143 is an equidigital number, since it uses as much as digits as its factorization.
2012444143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64917584.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 2012444143 is about 44860.2735502137. The cubic root of 2012444143 is about 1262.5287551925.
Adding to 2012444143 its reverse (3414442102), we get a palindrome (5426886245).
The spelling of 2012444143 in words is "two billion, twelve million, four hundred forty-four thousand, one hundred forty-three".
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