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144323213252420 = 2259790782021399
BaseRepresentation
bin100000110100001011011101…
…110110111101011101000100
3200221000011102212200200012002
4200310023131312331131010
5122404042420043034140
61230541100250444432
742254002523435366
oct4064133566753504
9627004385620162
10144323213252420
1141a93149423244
121422a980133718
13626b80b641247
14278d3d06ccd36
1511a42a0a3b415
hex8342dddbd744

144323213252420 has 48 divisors (see below), whose sum is σ = 306540874819200. Its totient is φ = 57071144899584.

The previous prime is 144323213252411. The next prime is 144323213252443. The reversal of 144323213252420 is 24252312323441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39251120 + ... + 42770279.

It is an arithmetic number, because the mean of its divisors is an integer number (6386268225400).

Almost surely, 2144323213252420 is an apocalyptic number.

144323213252420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144323213252420 is an abundant number, since it is smaller than the sum of its proper divisors (162217661566780).

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

144323213252420 is a wasteful number, since it uses less digits than its factorization.

144323213252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82022412 (or 82022410 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 144323213252420 its reverse (24252312323441), we get a palindrome (168575525575861).

The spelling of 144323213252420 in words is "one hundred forty-four trillion, three hundred twenty-three billion, two hundred thirteen million, two hundred fifty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 907 970 1814 1940 3628 4535 9070 18140 87979 175958 351916 439895 879790 1759580 82021399 164042798 328085596 410106995 820213990 1640427980 7956075703 15912151406 31824302812 39780378515 74393408893 79560757030 148786817786 159121514060 297573635572 371967044465 743934088930 1487868177860 7216160662621 14432321325242 28864642650484 36080803313105 72161606626210 144323213252420