Search a number
-
+
2002144043 = 17235120573
BaseRepresentation
bin111011101010110…
…0100101100101011
312011112101110022002
41313111210230223
513100022102133
6530400521215
7100420641434
oct16725445453
95145343262
102002144043
119381814a9
1247a62020b
1325ba48223
1414dc9648b
15bab87ce8
hex77564b2b

2002144043 has 8 divisors (see below), whose sum is σ = 2212087968. Its totient is φ = 1802441344.

The previous prime is 2002144007. The next prime is 2002144073. The reversal of 2002144043 is 3404412002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002144043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002144073) 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, 2559896 + ... + 2560677.

It is an arithmetic number, because the mean of its divisors is an integer number (276510996).

Almost surely, 22002144043 is an apocalyptic number.

2002144043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2002144043 is a deficient number, since it is larger than the sum of its proper divisors (209943925).

2002144043 is a wasteful number, since it uses less digits than its factorization.

2002144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120613.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2002144043 is about 44745.3242585189. The cubic root of 2002144043 is about 1260.3711099264.

Adding to 2002144043 its reverse (3404412002), we get a palindrome (5406556045).

The spelling of 2002144043 in words is "two billion, two million, one hundred forty-four thousand, forty-three".

Divisors: 1 17 23 391 5120573 87049741 117773179 2002144043