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11123223230 = 2574315124473
BaseRepresentation
bin10100101101111111…
…01110101010111110
31001201012022021201202
422112333232222332
5140240021120410
65035425135502
7542433560150
oct122677565276
931635267652
1011123223230
114798851279
1221a518a592
13108360c6c2
147773c8ad0
154517ceca5
hex296feeabe

11123223230 has 64 divisors (see below), whose sum is σ = 23570224128. Its totient is φ = 3700166400.

The previous prime is 11123223217. The next prime is 11123223247. The reversal of 11123223230 is 3232232111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442274 + ... + 466746.

It is an arithmetic number, because the mean of its divisors is an integer number (368284752).

Almost surely, 211123223230 is an apocalyptic number.

11123223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123223230 is an abundant number, since it is smaller than the sum of its proper divisors (12447000898).

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

11123223230 is a wasteful number, since it uses less digits than its factorization.

11123223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24681.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11123223230 its reverse (3232232111), we get a palindrome (14355455341).

The spelling of 11123223230 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 70 86 151 215 301 302 430 602 755 1057 1505 1510 2114 3010 5285 6493 10570 12986 24473 32465 45451 48946 64930 90902 122365 171311 227255 244730 342622 454510 856555 1052339 1713110 2104678 3695423 5261695 7366373 7390846 10523390 14732746 18477115 25867961 36831865 36954230 51735922 73663730 129339805 158903189 258679610 317806378 794515945 1112322323 1589031890 2224644646 5561611615 11123223230