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2040101443 = 10918716527
BaseRepresentation
bin111100110011001…
…0111101001000011
312021011210220001201
41321212113221003
513134231221233
6534234242031
7101361401422
oct17146275103
95234726051
102040101443
11957647456
1248b286317
13266878123
14154d372b9
15be18477d
hex79997a43

2040101443 has 4 divisors (see below), whose sum is σ = 2058818080. Its totient is φ = 2021384808.

The previous prime is 2040101429. The next prime is 2040101447. The reversal of 2040101443 is 3441010402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441010402 = 21720505201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2040101443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040101443.

It is not an unprimeable number, because it can be changed into a prime (2040101447) 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, 9358155 + ... + 9358372.

It is an arithmetic number, because the mean of its divisors is an integer number (514704520).

Almost surely, 22040101443 is an apocalyptic number.

2040101443 is a deficient number, since it is larger than the sum of its proper divisors (18716637).

2040101443 is a wasteful number, since it uses less digits than its factorization.

2040101443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716636.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2040101443 is about 45167.4821414699. The cubic root of 2040101443 is about 1268.2861630522.

Adding to 2040101443 its reverse (3441010402), we get a palindrome (5481111845).

The spelling of 2040101443 in words is "two billion, forty million, one hundred one thousand, four hundred forty-three".

Divisors: 1 109 18716527 2040101443