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1144331212 = 221012832503
BaseRepresentation
bin100010000110101…
…0001101111001100
32221202021001022111
41010031101233030
54320422044322
6305314553404
740233440413
oct10415215714
92852231274
101144331212
11537a43a82
1227b298864
13153102a7b
14abd9c47a
156a6e1177
hex44351bcc

1144331212 has 12 divisors (see below), whose sum is σ = 2022407856. Its totient is φ = 566500400.

The previous prime is 1144331191. The next prime is 1144331219. The reversal of 1144331212 is 2121334411.

It is not an unprimeable number, because it can be changed into a prime (1144331219) 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, 1415848 + ... + 1416655.

It is an arithmetic number, because the mean of its divisors is an integer number (168533988).

Almost surely, 21144331212 is an apocalyptic number.

It is an amenable number.

1144331212 is a deficient number, since it is larger than the sum of its proper divisors (878076644).

1144331212 is a wasteful number, since it uses less digits than its factorization.

1144331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832608 (or 2832606 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1144331212 is about 33827.9649402680. The cubic root of 1144331212 is about 1045.9652298313.

Adding to 1144331212 its reverse (2121334411), we get a palindrome (3265665623).

The spelling of 1144331212 in words is "one billion, one hundred forty-four million, three hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 2832503 5665006 11330012 286082803 572165606 1144331212