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1444332331430 = 253115749959471
BaseRepresentation
bin10101000001001000111…
…010100110000110100110
312010002002000002120102222
4111001020322212012212
5142130443034101210
63023303410232342
7206230621152512
oct25011072460646
95102060076388
101444332331430
115075a0a4702a
121b3b07b856b2
13a627a3b8b51
144dc98319142
1527885165655
hex15048ea61a6

1444332331430 has 64 divisors (see below), whose sum is σ = 2706213888000. Its totient is φ = 554412643200.

The previous prime is 1444332331423. The next prime is 1444332331469. The reversal of 1444332331430 is 341332334441.

It is a super-2 number, since 2×14443323314302 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24256595 + ... + 24316065.

It is an arithmetic number, because the mean of its divisors is an integer number (42284592000).

Almost surely, 21444332331430 is an apocalyptic number.

1444332331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444332331430 is a deficient number, since it is larger than the sum of its proper divisors (1261881556570).

1444332331430 is a wasteful number, since it uses less digits than its factorization.

1444332331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60165.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 1444332331430 its reverse (341332334441), we get a palindrome (1785664665871).

The spelling of 1444332331430 in words is "one trillion, four hundred forty-four billion, three hundred thirty-two million, three hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 157 310 314 499 785 998 1570 2495 4867 4990 9734 15469 24335 30938 48670 59471 77345 78343 118942 154690 156686 297355 391715 594710 783430 1843601 2428633 3687202 4857266 9218005 9336947 12143165 18436010 18673894 24286330 29676029 46684735 59352058 93369470 148380145 289445357 296760290 578890714 919956899 1447226785 1839913798 2894453570 4599784495 4659136553 9199568990 9318273106 23295682765 46591365530 144433233143 288866466286 722166165715 1444332331430