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2200100111200 = 255217161772067
BaseRepresentation
bin100000000001000000001…
…011111000001101100000
321210022211202111201012201
4200001000023320031200
5242021301112024300
64402413444502544
7314644350246325
oct40010013701540
97708752451181
102200100111200
1177906a17a012
122b64890aaa54
1312c612535834
14786b1d90b4c
153c36a12966a
hex200402f8360

2200100111200 has 72 divisors (see below), whose sum is σ = 5686935278472. Its totient is φ = 828272977920.

The previous prime is 2200100111189. The next prime is 2200100111201. The reversal of 2200100111200 is 21110010022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200100111201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80872434 + ... + 80899633.

It is an arithmetic number, because the mean of its divisors is an integer number (78985212201).

Almost surely, 22200100111200 is an apocalyptic number.

2200100111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200100111200 is an abundant number, since it is smaller than the sum of its proper divisors (3486835167272).

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

2200100111200 is a wasteful number, since it uses less digits than its factorization.

2200100111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161772104 (or 161772091 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2200100111200 its reverse (21110010022), we get a palindrome (2221210121222).

The spelling of 2200100111200 in words is "two trillion, two hundred billion, one hundred million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1360 1700 2720 3400 6800 13600 161772067 323544134 647088268 808860335 1294176536 1617720670 2588353072 2750125139 3235441340 4044301675 5176706144 5500250278 6470882680 8088603350 11000500556 12941765360 13750625695 16177206700 22001001112 25883530720 27501251390 32354413400 44002002224 55002502780 64708826800 68753128475 88004004448 110005005560 129417653600 137506256950 220010011120 275012513900 440020022240 550025027800 1100050055600 2200100111200