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2112770304 = 283611321
BaseRepresentation
bin111110111101110…
…0101000100000000
312110020112212000000
41331323211010000
513311332122204
6545352000000
7103233152121
oct17573450400
95406485000
102112770304
11994670667
124ab690000
1327893c658
14160852048
15c573b039
hex7dee5100

2112770304 has 126 divisors (see below), whose sum is σ = 6323597406. Its totient is φ = 704194560.

The previous prime is 2112770293. The next prime is 2112770327. The reversal of 2112770304 is 4030772112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1348358400 + 764411904 = 36720^2 + 27648^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 180964 + ... + 192284.

It is an arithmetic number, because the mean of its divisors is an integer number (50187281).

Almost surely, 22112770304 is an apocalyptic number.

2112770304 is a gapful number since it is divisible by the number (24) 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 2112770304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3161798703).

2112770304 is an abundant number, since it is smaller than the sum of its proper divisors (4210827102).

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

2112770304 is an frugal number, since it uses more digits than its factorization.

2112770304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2112770304 is about 45964.8812029358. The cubic root of 2112770304 is about 1283.1696964048.

The spelling of 2112770304 in words is "two billion, one hundred twelve million, seven hundred seventy thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 576 648 729 768 864 972 1152 1296 1458 1728 1944 2304 2592 2916 3456 3888 5184 5832 6912 7776 10368 11321 11664 15552 20736 22642 23328 31104 33963 45284 46656 62208 67926 90568 93312 101889 135852 181136 186624 203778 271704 305667 362272 407556 543408 611334 724544 815112 917001 1086816 1222668 1449088 1630224 1834002 2173632 2445336 2751003 2898176 3260448 3668004 4347264 4890672 5502006 6520896 7336008 8253009 8694528 9781344 11004012 13041792 14672016 16506018 19562688 22008024 26083584 29344032 33012036 39125376 44016048 58688064 66024072 78250752 88032096 117376128 132048144 176064192 234752256 264096288 352128384 528192576 704256768 1056385152 2112770304