Search a number
-
+
2102044121 = 43471040101
BaseRepresentation
bin111110101001010…
…1010010111011001
312102111100220102222
41331102222113121
513301110402441
6544330033425
7103043036342
oct17522522731
95374326388
102102044121
11989604951
124a7b78875
132766553b8
1415d25d0c9
15c481cd4b
hex7d4aa5d9

2102044121 has 8 divisors (see below), whose sum is σ = 2196695424. Its totient is φ = 2009473200.

The previous prime is 2102044073. The next prime is 2102044127. The reversal of 2102044121 is 1214402012.

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 2102044121 - 214 = 2102027737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102044121.

It is not an unprimeable number, because it can be changed into a prime (2102044127) 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, 518030 + ... + 522071.

It is an arithmetic number, because the mean of its divisors is an integer number (274586928).

Almost surely, 22102044121 is an apocalyptic number.

It is an amenable number.

2102044121 is a deficient number, since it is larger than the sum of its proper divisors (94651303).

2102044121 is a wasteful number, since it uses less digits than its factorization.

2102044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040191.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2102044121 is about 45848.0547133682. The cubic root of 2102044121 is about 1280.9945316363.

Adding to 2102044121 its reverse (1214402012), we get a palindrome (3316446133).

The spelling of 2102044121 in words is "two billion, one hundred two million, forty-four thousand, one hundred twenty-one".

Divisors: 1 43 47 2021 1040101 44724343 48884747 2102044121