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13444324144 = 243794723981
BaseRepresentation
bin11001000010101100…
…00001101100110000
31021200221212102121021
430201112001230300
5210013221333034
610102022305224
7654106604206
oct144126015460
937627772537
1013444324144
115779a74799
122732588214
1313634620b4
1491778b076
1553a46d6b4
hex321581b30

13444324144 has 40 divisors (see below), whose sum is σ = 26781754608. Its totient is φ = 6533303040.

The previous prime is 13444324141. The next prime is 13444324163. The reversal of 13444324144 is 44142344431.

It is not an unprimeable number, because it can be changed into a prime (13444324141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548634 + ... + 572614.

Almost surely, 213444324144 is an apocalyptic number.

It is an amenable number.

13444324144 is a deficient number, since it is larger than the sum of its proper divisors (13337430464).

13444324144 is a wasteful number, since it uses less digits than its factorization.

13444324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24973 (or 24967 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 13444324144 its reverse (44142344431), we get a palindrome (57586668575).

The spelling of 13444324144 in words is "thirteen billion, four hundred forty-four million, three hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 148 296 592 947 1894 3788 7576 15152 23981 35039 47962 70078 95924 140156 191848 280312 383696 560624 887297 1774594 3549188 7098376 14196752 22710007 45420014 90840028 181680056 363360112 840270259 1680540518 3361081036 6722162072 13444324144