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4128816468 = 2237312516317
BaseRepresentation
bin1111011000011000…
…1011110101010100
3101122202002121102110
43312012023311110
531423434111333
61521410511020
7204213234540
oct36606136524
911582077373
104128816468
111829677a17
12972895470
1350a51458a
142b24c6a20
1519271d063
hexf618bd54

4128816468 has 96 divisors (see below), whose sum is σ = 11412430848. Its totient is φ = 1136880000.

The previous prime is 4128816343. The next prime is 4128816541. The reversal of 4128816468 is 8646188214.

It is a happy 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, 650446 + ... + 656762.

It is an arithmetic number, because the mean of its divisors is an integer number (118879488).

Almost surely, 24128816468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4128816468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5706215424).

4128816468 is an abundant number, since it is smaller than the sum of its proper divisors (7283614380).

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

4128816468 is a wasteful number, since it uses less digits than its factorization.

4128816468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613 (or 6611 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 4128816468 is about 64255.8671873627. The cubic root of 4128816468 is about 1604.2616166661.

The spelling of 4128816468 in words is "four billion, one hundred twenty-eight million, eight hundred sixteen thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 251 372 434 502 651 753 868 1004 1302 1506 1757 2604 3012 3514 5271 6317 7028 7781 10542 12634 15562 18951 21084 23343 25268 31124 37902 44219 46686 54467 75804 88438 93372 108934 132657 163401 176876 195827 217868 265314 326802 391654 530628 587481 653604 783308 1174962 1370789 1585567 2349924 2741578 3171134 4112367 4756701 5483156 6342268 8224734 9513402 11098969 16449468 19026804 22197938 33296907 44395876 49152577 66593814 98305154 133187628 147457731 196610308 294915462 344068039 589830924 688136078 1032204117 1376272156 2064408234 4128816468