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11100211100200 = 2352101990155501
BaseRepresentation
bin1010000110000111100000…
…1000111011101000101000
31110022011120210112000121001
42201201320020323220220
52423331213020201300
635335211103124344
72223651402400315
oct241417010735050
943264523460531
1011100211100200
11359a633869792
1212b33662a36b4
1362698c8a6351
142a5378667d0c
15143b1e1e216a
hexa187823ba28

11100211100200 has 96 divisors (see below), whose sum is σ = 26066617533720. Its totient is φ = 4395600000000.

The previous prime is 11100211100129. The next prime is 11100211100201. The reversal of 11100211100200 is 200111200111.

It can be written as a sum of positive squares in 12 ways, for example, as 7963763016196 + 3136448084004 = 2822014^2 + 1771002^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11100211100201) 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, 199972450 + ... + 200027950.

Almost surely, 211100211100200 is an apocalyptic number.

11100211100200 is a gapful number since it is divisible by the number (10) 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 11100211100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13033308766860).

11100211100200 is an abundant number, since it is smaller than the sum of its proper divisors (14966406433520).

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

11100211100200 is a wasteful number, since it uses less digits than its factorization.

11100211100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65519 (or 65510 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100211100200 its reverse (200111200111), we get a palindrome (11300322300311).

It can be divided in two parts, 111002 and 11100200, that multiplied together give a square (1232144400400 = 11100202).

The spelling of 11100211100200 in words is "eleven trillion, one hundred billion, two hundred eleven million, one hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 200 202 404 505 808 1010 2020 2525 4040 5050 9901 10100 19802 20200 39604 49505 55501 79208 99010 111002 198020 222004 247525 277505 396040 444008 495050 555010 990100 1000001 1110020 1387525 1980200 2000002 2220040 2775050 4000004 5000005 5550100 5605601 8000008 10000010 11100200 11211202 20000020 22422404 25000025 28028005 40000040 44844808 50000050 56056010 100000100 112112020 140140025 200000200 224224040 280280050 549515401 560560100 1099030802 1121120200 2198061604 2747577005 4396123208 5495154010 10990308020 13737885025 21980616040 27475770050 54951540100 55501055501 109903080200 111002111002 222004222004 277505277505 444008444008 555010555010 1110021110020 1387526387525 2220042220040 2775052775050 5550105550100 11100211100200