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2111002103200 = 255216073164173
BaseRepresentation
bin11110101110000001100…
…001111100110110100000
321110210212100212221111111
4132232001201330312200
5234041313014300300
64253440405153104
7305341412546134
oct36560141746640
97423770787444
102111002103200
117442a8720961
122a11623bb794
131240b3556843
147425cbab3c4
1539da306e9ba
hex1eb8187cda0

2111002103200 has 72 divisors (see below), whose sum is σ = 5153835906828. Its totient is φ = 844343162880.

The previous prime is 2111002103191. The next prime is 2111002103251. The reversal of 2111002103200 is 23012001112.

It can be written as a sum of positive squares in 6 ways, for example, as 999656029584 + 1111346073616 = 999828^2 + 1054204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12776314 + ... + 12940486.

Almost surely, 22111002103200 is an apocalyptic number.

2111002103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111002103200 is an abundant number, since it is smaller than the sum of its proper divisors (3042833803628).

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

2111002103200 is a wasteful number, since it uses less digits than its factorization.

2111002103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180266 (or 180253 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2111002103200 its reverse (23012001112), we get a palindrome (2134014104312).

The spelling of 2111002103200 in words is "two trillion, one hundred eleven billion, two million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 16073 32146 64292 80365 128584 160730 164173 257168 321460 328346 401825 514336 642920 656692 803650 820865 1285840 1313384 1607300 1641730 2571680 2626768 3214600 3283460 4104325 5253536 6429200 6566920 8208650 12858400 13133840 16417300 26267680 32834600 65669200 131338400 2638752629 5277505258 10555010516 13193763145 21110021032 26387526290 42220042064 52775052580 65968815725 84440084128 105550105160 131937631450 211100210320 263875262900 422200420640 527750525800 1055501051600 2111002103200