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2281337120 = 25531237401
BaseRepresentation
bin1000011111111010…
…0111000100100000
312212222201221012102
42013332213010200
514133010241440
61014212545532
7110351021426
oct20776470440
95788657172
102281337120
11a70834387
125380222a8
132a483c52a
14178db1116
15d5436b15
hex87fa7120

2281337120 has 144 divisors (see below), whose sum is σ = 5733907704. Its totient is φ = 857088000.

The previous prime is 2281337119. The next prime is 2281337131. The reversal of 2281337120 is 217331822.

It can be written as a sum of positive squares in 4 ways, for example, as 2255490064 + 25847056 = 47492^2 + 5084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5688920 + ... + 5689320.

Almost surely, 22281337120 is an apocalyptic number.

2281337120 is a gapful number since it is divisible by the number (20) 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 2281337120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2866953852).

2281337120 is an abundant number, since it is smaller than the sum of its proper divisors (3452570584).

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

2281337120 is a wasteful number, since it uses less digits than its factorization.

2281337120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2281337120 is about 47763.3449414925. The cubic root of 2281337120 is about 1316.4261145403.

Adding to 2281337120 its reverse (217331822), we get a palindrome (2498668942).

The spelling of 2281337120 in words is "two billion, two hundred eighty-one million, three hundred thirty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 37 40 62 74 80 124 148 155 160 185 248 296 310 370 401 496 592 620 740 802 961 992 1147 1184 1240 1480 1604 1922 2005 2294 2480 2960 3208 3844 4010 4588 4805 4960 5735 5920 6416 7688 8020 9176 9610 11470 12431 12832 14837 15376 16040 18352 19220 22940 24862 29674 30752 32080 35557 36704 38440 45880 49724 59348 62155 64160 71114 74185 76880 91760 99448 118696 124310 142228 148370 153760 177785 183520 198896 237392 248620 284456 296740 355570 385361 397792 459947 474784 497240 568912 593480 711140 770722 919894 994480 1137824 1186960 1422280 1541444 1839788 1926805 1988960 2299735 2373920 2844560 3082888 3679576 3853610 4599470 5689120 6165776 7359152 7707220 9198940 12331552 14258357 14718304 15414440 18397880 28516714 30828880 36795760 57033428 61657760 71291785 73591520 114066856 142583570 228133712 285167140 456267424 570334280 1140668560 2281337120