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144310021443 = 357223380441
BaseRepresentation
bin1000011001100110001…
…1000010110101000011
3111210111012202122200000
42012121203002311003
54331021331141233
6150143424331043
713266064641330
oct2063143026503
9453435678600
10144310021443
1156224277035
1223b75173a83
13107ba7aca43
146dadc03987
153b492d4d13
hex21998c2d43

144310021443 has 48 divisors (see below), whose sum is σ = 248157751296. Its totient is φ = 82092864960.

The previous prime is 144310021421. The next prime is 144310021463. The reversal of 144310021443 is 344120013441.

144310021443 is a `hidden beast` number, since 1 + 443 + 1 + 0 + 0 + 214 + 4 + 3 = 666.

It is not a de Polignac number, because 144310021443 - 29 = 144310020931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144310021463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189103 + ... + 569543.

It is an arithmetic number, because the mean of its divisors is an integer number (5169953152).

Almost surely, 2144310021443 is an apocalyptic number.

144310021443 is a deficient number, since it is larger than the sum of its proper divisors (103847729853).

144310021443 is an equidigital number, since it uses as much as digits as its factorization.

144310021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380686 (or 380674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 144310021443 its reverse (344120013441), we get a palindrome (488430034884).

The spelling of 144310021443 in words is "one hundred forty-four billion, three hundred ten million, twenty-one thousand, four hundred forty-three".

Divisors: 1 3 7 9 21 27 63 81 189 223 243 567 669 1561 1701 2007 4683 6021 14049 18063 42147 54189 126441 379323 380441 1141323 2663087 3423969 7989261 10271907 23967783 30815721 71903349 84838343 92447163 215710047 254515029 593868401 647130141 763545087 1781605203 2290635261 5344815609 6871905783 16034446827 20615717349 48103340481 144310021443