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6669130752 = 210324316829
BaseRepresentation
bin1100011011000001…
…01101110000000000
3122012210010221111200
412031200231300000
5102124244141002
63021434341200
7324160450614
oct61540556000
918183127450
106669130752
112912606709
12136158a800
138238ba61b
14473a2d344
1529075db1c
hex18d82dc00

6669130752 has 132 divisors (see below), whose sum is σ = 19705977720. Its totient is φ = 2171215872.

The previous prime is 6669130691. The next prime is 6669130799. The reversal of 6669130752 is 2570319666.

It is a junction number, because it is equal to n+sod(n) for n = 6669130698 and 6669130707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387874 + ... + 404702.

It is an arithmetic number, because the mean of its divisors is an integer number (149287710).

Almost surely, 26669130752 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 6669130752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9852988860).

6669130752 is an abundant number, since it is smaller than the sum of its proper divisors (13036846968).

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

6669130752 is a wasteful number, since it uses less digits than its factorization.

6669130752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898 (or 16877 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6669130752 is about 81664.7460780966. The cubic root of 6669130752 is about 1882.3039085071.

The spelling of 6669130752 in words is "six billion, six hundred sixty-nine million, one hundred thirty thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 128 129 144 172 192 256 258 288 344 384 387 512 516 576 688 768 774 1024 1032 1152 1376 1536 1548 2064 2304 2752 3072 3096 4128 4608 5504 6192 8256 9216 11008 12384 16512 16829 22016 24768 33024 33658 44032 49536 50487 66048 67316 99072 100974 132096 134632 151461 198144 201948 269264 302922 396288 403896 538528 605844 723647 807792 1077056 1211688 1447294 1615584 2154112 2170941 2423376 2894588 3231168 4308224 4341882 4846752 5789176 6462336 6512823 8616448 8683764 9693504 11578352 12924672 13025646 17232896 17367528 19387008 23156704 25849344 26051292 34735056 38774016 46313408 51698688 52102584 69470112 77548032 92626816 104205168 138940224 155096064 185253632 208410336 277880448 370507264 416820672 555760896 741014528 833641344 1111521792 1667282688 2223043584 3334565376 6669130752