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212011101200 = 2452530027753
BaseRepresentation
bin1100010101110011011…
…0001010110000010000
3202021020102021211211102
43011130312022300100
511433144320214300
6241221353403532
721213555424523
oct3053466126020
9667212254742
10212011101200
1181a05815318
123510a1095a8
1316cb986c852
14a39338cbba
1557acb890d5
hex315cd8ac10

212011101200 has 30 divisors (see below), whose sum is σ = 509356671594. Its totient is φ = 84804440320.

The previous prime is 212011101173. The next prime is 212011101217. The reversal of 212011101200 is 2101110212.

It can be written as a sum of positive squares in 3 ways, for example, as 15304658944 + 196706442256 = 123712^2 + 443516^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265013477 + ... + 265014276.

Almost surely, 2212011101200 is an apocalyptic number.

212011101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011101200 is an abundant number, since it is smaller than the sum of its proper divisors (297345570394).

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

212011101200 is a wasteful number, since it uses less digits than its factorization.

212011101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530027771 (or 530027760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212011101200 its reverse (2101110212), we get a palindrome (214112211412).

The spelling of 212011101200 in words is "two hundred twelve billion, eleven million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 530027753 1060055506 2120111012 2650138765 4240222024 5300277530 8480444048 10600555060 13250693825 21201110120 26501387650 42402220240 53002775300 106005550600 212011101200