Search a number
-
+
2111004444 = 2231710348061
BaseRepresentation
bin111110111010011…
…0101111100011100
312110010020010200210
41331310311330130
513310404120234
6545250052420
7103212145623
oct17564657434
95403203623
102111004444
1199367497a
124aab7a110
13278471973
141605126ba
15c54dcbe9
hex7dd35f1c

2111004444 has 24 divisors (see below), whose sum is σ = 5215423248. Its totient is φ = 662275840.

The previous prime is 2111004407. The next prime is 2111004449. The reversal of 2111004444 is 4444001112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111004444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111004449) 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, 5173827 + ... + 5174234.

It is an arithmetic number, because the mean of its divisors is an integer number (217309302).

Almost surely, 22111004444 is an apocalyptic number.

It is an amenable number.

2111004444 is an abundant number, since it is smaller than the sum of its proper divisors (3104418804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111004444 is a wasteful number, since it uses less digits than its factorization.

2111004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348085 (or 10348083 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2111004444 is about 45945.6683921346. The cubic root of 2111004444 is about 1282.8121043513.

Adding to 2111004444 its reverse (4444001112), we get a palindrome (6555005556).

The spelling of 2111004444 in words is "two billion, one hundred eleven million, four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 10348061 20696122 31044183 41392244 62088366 124176732 175917037 351834074 527751111 703668148 1055502222 2111004444