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223663130105550 = 23525335927944443
BaseRepresentation
bin110010110110101110100001…
…011010110101011011001110
31002022220222122002122112111220
4302312232201122311123032
5213303444042301334200
62111405231250424210
765053061603442432
oct6266564132653316
91068828562575456
10223663130105550
11652a2001071303
12211034b5892066
1397a545bac6245
143d334d34a49c2
151acced092d4a0
hexcb6ba16b56ce

223663130105550 has 48 divisors (see below), whose sum is σ = 554694977844480. Its totient is φ = 59642381449440.

The previous prime is 223663130105489. The next prime is 223663130105557. The reversal of 223663130105550 is 55501031366322.

It is a super-2 number, since 2×2236631301055502 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223663130105557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5968372 + ... + 21976071.

It is an arithmetic number, because the mean of its divisors is an integer number (11556145371760).

Almost surely, 2223663130105550 is an apocalyptic number.

223663130105550 is an abundant number, since it is smaller than the sum of its proper divisors (331031847738930).

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

223663130105550 is a wasteful number, since it uses less digits than its factorization.

223663130105550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27997817 (or 27997812 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 223663130105550 in words is "two hundred twenty-three trillion, six hundred sixty-three billion, one hundred thirty million, one hundred five thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 53359 106718 160077 266795 320154 533590 800385 1333975 1600770 2667950 4001925 8003850 27944443 55888886 83833329 139722215 167666658 279444430 419166645 698611075 838333290 1397222150 2095833225 4191666450 1491087534037 2982175068074 4473262602111 7455437670185 8946525204222 14910875340370 22366313010555 37277188350925 44732626021110 74554376701850 111831565052775 223663130105550