Search a number
-
+
8193848960 = 2751139619
BaseRepresentation
bin1111010000110010…
…00011011010000000
3210011001011122200102
413220121003122000
5113240111131320
63433022341532
7410023365323
oct75031033200
923131148612
108193848960
11352523a000
12170812a8a8
13a0775574b
1457a3287ba
1532e53c175
hex1e8643680

8193848960 has 128 divisors (see below), whose sum is σ = 21548030400. Its totient is φ = 2979271680.

The previous prime is 8193848959. The next prime is 8193848963. The reversal of 8193848960 is 698483918.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 8193848896 and 8193848905.

It is not an unprimeable number, because it can be changed into a prime (8193848963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847031 + ... + 856649.

Almost surely, 28193848960 is an apocalyptic number.

8193848960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8193848960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10774015200).

8193848960 is an abundant number, since it is smaller than the sum of its proper divisors (13354181440).

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

8193848960 is an equidigital number, since it uses as much as digits as its factorization.

8193848960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671 (or 9637 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 8193848960 is about 90519.8815730555. The cubic root of 8193848960 is about 2016.0253314193.

The spelling of 8193848960 in words is "eight billion, one hundred ninety-three million, eight hundred forty-eight thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 320 352 440 484 605 640 704 880 968 1210 1331 1408 1760 1936 2420 2662 3520 3872 4840 5324 6655 7040 7744 9619 9680 10648 13310 15488 19238 19360 21296 26620 38476 38720 42592 48095 53240 76952 77440 85184 96190 105809 106480 153904 170368 192380 211618 212960 307808 384760 423236 425920 529045 615616 769520 846472 851840 1058090 1163899 1231232 1539040 1692944 2116180 2327798 3078080 3385888 4232360 4655596 5819495 6156160 6771776 8464720 9311192 11638990 12802889 13543552 16929440 18622384 23277980 25605778 33858880 37244768 46555960 51211556 64014445 67717760 74489536 93111920 102423112 128028890 148979072 186223840 204846224 256057780 372447680 409692448 512115560 744895360 819384896 1024231120 1638769792 2048462240 4096924480 8193848960