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4431211310442 = 2371931317740883
BaseRepresentation
bin100000001111011100011…
…0001101010110101101010
3120200121201201211220211210
41000132320301222311222
51040100110043413232
613231400444533550
7635100355446240
oct100367061526552
916617651756753
104431211310442
1114592a2299504
125b696b8512b6
13261b277534b7
14114686782790
157a3ec9ee5cc
hex407b8c6ad6a

4431211310442 has 64 divisors (see below), whose sum is σ = 10695624145920. Its totient is φ = 1195593519744.

The previous prime is 4431211310437. The next prime is 4431211310453. The reversal of 4431211310442 is 2440131121344.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8620668 + ... + 9120215.

It is an arithmetic number, because the mean of its divisors is an integer number (167119127280).

Almost surely, 24431211310442 is an apocalyptic number.

4431211310442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4431211310442 is an abundant number, since it is smaller than the sum of its proper divisors (6264412835478).

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

4431211310442 is a wasteful number, since it uses less digits than its factorization.

4431211310442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17741227.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 4431211310442 its reverse (2440131121344), we get a palindrome (6871342431786).

The spelling of 4431211310442 in words is "four trillion, four hundred thirty-one billion, two hundred eleven million, three hundred ten thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 313 399 626 798 939 1878 2191 4382 5947 6573 11894 13146 17841 35682 41629 83258 124887 249774 17740883 35481766 53222649 106445298 124186181 248372362 337076777 372558543 674153554 745117086 1011230331 2022460662 2359537439 4719074878 5552896379 7078612317 11105792758 14157224634 16658689137 33317378274 38870274653 77740549306 105505031201 116610823959 211010062402 233221647918 316515093603 633030187206 738535218407 1477070436814 2215605655221 4431211310442