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1244141144 = 23155517643
BaseRepresentation
bin100101000101000…
…0001011001011000
310012201001220210122
41022022001121120
510022000004034
6323242132412
742555011441
oct11212013130
93181056718
101244141144
11589315724
122a87b1108
1316a9aabbc
14bb3402c8
157435962e
hex4a281658

1244141144 has 8 divisors (see below), whose sum is σ = 2332764660. Its totient is φ = 622070568.

The previous prime is 1244141131. The next prime is 1244141159. The reversal of 1244141144 is 4411414421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77758814 + ... + 77758829.

Almost surely, 21244141144 is an apocalyptic number.

It is an amenable number.

1244141144 is a deficient number, since it is larger than the sum of its proper divisors (1088623516).

1244141144 is a wasteful number, since it uses less digits than its factorization.

1244141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155517649 (or 155517645 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 1244141144 is about 35272.3850058371. The cubic root of 1244141144 is about 1075.5317056735.

Adding to 1244141144 its reverse (4411414421), we get a palindrome (5655555565).

The spelling of 1244141144 in words is "one billion, two hundred forty-four million, one hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 155517643 311035286 622070572 1244141144