Search a number
-
+
290881822112 = 2572371795211
BaseRepresentation
bin1000011101110011110…
…10000101110110100000
31000210211001110121010222
410032321322011312200
514231211221301422
6341343530542212
730005215456340
oct4167172056640
91023731417128
10290881822112
111023a92292a2
124845b897968
1321578a41b8b
1410116166d20
157876e3b842
hex43b9e85da0

290881822112 has 96 divisors (see below), whose sum is σ = 692559673344. Its totient is φ = 117563846400.

The previous prime is 290881822057. The next prime is 290881822117. The reversal of 290881822112 is 211228188092.

It is a super-2 number, since 2×2908818221122 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290881822117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31814 + ... + 763397.

It is an arithmetic number, because the mean of its divisors is an integer number (7214163264).

Almost surely, 2290881822112 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 290881822112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346279836672).

290881822112 is an abundant number, since it is smaller than the sum of its proper divisors (401677851232).

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

290881822112 is a wasteful number, since it uses less digits than its factorization.

290881822112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795322 (or 795314 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 44.

The spelling of 290881822112 in words is "two hundred ninety billion, eight hundred eighty-one million, eight hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 71 92 112 142 161 184 224 284 322 368 497 568 644 736 994 1136 1288 1633 1988 2272 2576 3266 3976 5152 6532 7952 11431 13064 15904 22862 26128 45724 52256 91448 182896 365792 795211 1590422 3180844 5566477 6361688 11132954 12723376 18289853 22265908 25446752 36579706 44531816 56459981 73159412 89063632 112919962 128028971 146318824 178127264 225839924 256057942 292637648 395219867 451679848 512115884 585275296 790439734 903359696 1024231768 1298579563 1580879468 1806719392 2048463536 2597159126 3161758936 4096927072 5194318252 6323517872 9090056941 10388636504 12647035744 18180113882 20777273008 36360227764 41554546016 72720455528 145440911056 290881822112