Search a number
-
+
3381808128 = 21032322081
BaseRepresentation
bin1100100110010010…
…0100110000000000
322201200110122121220
43021210210300000
523411220330003
61315323515040
7146542615626
oct31144446000
98650418556
103381808128
111485a40556
127a4688a80
1341b8266ca
142411d3516
1514bd62353
hexc9924c00

3381808128 has 132 divisors (see below), whose sum is σ = 9427221048. Its totient is φ = 1077739520.

The previous prime is 3381808069. The next prime is 3381808201. The reversal of 3381808128 is 8218081833.

It is a happy number.

It is a super-2 number, since 2×33818081282 = 22873252429213728768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3381808128.

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, 1624048 + ... + 1626128.

Almost surely, 23381808128 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 3381808128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4713610524).

3381808128 is an abundant number, since it is smaller than the sum of its proper divisors (6045412920).

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

3381808128 is a wasteful number, since it uses less digits than its factorization.

3381808128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 3381808128 is about 58153.3157094245. The cubic root of 3381808128 is about 1501.0079341164.

The spelling of 3381808128 in words is "three billion, three hundred eighty-one million, eight hundred eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 256 276 368 384 512 529 552 736 768 1024 1058 1104 1472 1536 1587 2081 2116 2208 2944 3072 3174 4162 4232 4416 5888 6243 6348 8324 8464 8832 11776 12486 12696 16648 16928 17664 23552 24972 25392 33296 33856 35328 47863 49944 50784 66592 67712 70656 95726 99888 101568 133184 135424 143589 191452 199776 203136 266368 270848 287178 382904 399552 406272 532736 541696 574356 765808 799104 812544 1065472 1100849 1148712 1531616 1598208 1625088 2130944 2201698 2297424 3063232 3196416 3302547 4403396 4594848 6126464 6392832 6605094 8806792 9189696 12252928 13210188 17613584 18379392 24505856 26420376 35227168 36758784 49011712 52840752 70454336 73517568 105681504 140908672 147035136 211363008 281817344 422726016 563634688 845452032 1127269376 1690904064 3381808128