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11200222220 = 22511219243589
BaseRepresentation
bin10100110111001010…
…11101010000001100
31001220120012020111012
422123211131100030
5140414224102340
65051215344352
7544360214045
oct123345352014
931816166435
1011200222220
114828262800
122206b220b8
13109655bb35
1478370d8cc
1545843e565
hex29b95d40c

11200222220 has 72 divisors (see below), whose sum is σ = 27213874800. Its totient is φ = 3858433920.

The previous prime is 11200222219. The next prime is 11200222249. The reversal of 11200222220 is 2222200211.

It is a junction number, because it is equal to n+sod(n) for n = 11200222195 and 11200222204.

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, 75815 + ... + 167774.

Almost surely, 211200222220 is an apocalyptic number.

11200222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200222220 is an abundant number, since it is smaller than the sum of its proper divisors (16013652580).

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

11200222220 is a wasteful number, since it uses less digits than its factorization.

11200222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243639 (or 243626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11200222220 its reverse (2222200211), we get a palindrome (13422422431).

The spelling of 11200222220 in words is "eleven billion, two hundred million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 121 190 209 220 242 380 418 484 605 836 1045 1210 2090 2299 2420 4180 4598 9196 11495 22990 45980 243589 487178 974356 1217945 2435890 2679479 4628191 4871780 5358958 9256382 10717916 13397395 18512764 23140955 26794790 29474269 46281910 50910101 53589580 58948538 92563820 101820202 117897076 147371345 203640404 254550505 294742690 509101010 560011111 589485380 1018202020 1120022222 2240044444 2800055555 5600111110 11200222220