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212002002200 = 23521060010011
BaseRepresentation
bin1100010101110001001…
…1011101010100011000
3202021012210011120100102
43011130103131110120
511433140003032300
6241220430354532
721213415200032
oct3053423352430
9667183146312
10212002002200
1181a0067008a
123510705ba48
1316cb7a05121
14a3920a0c52
1557abe8d0d5
hex315c4dd518

212002002200 has 24 divisors (see below), whose sum is σ = 492904655580. Its totient is φ = 84800800800.

The previous prime is 212002002193. The next prime is 212002002209. The reversal of 212002002200 is 2200200212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002002209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530004806 + ... + 530005205.

Almost surely, 2212002002200 is an apocalyptic number.

212002002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002002200 is an abundant number, since it is smaller than the sum of its proper divisors (280902653380).

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

212002002200 is a wasteful number, since it uses less digits than its factorization.

212002002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060010027 (or 1060010018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 212002002200 its reverse (2200200212), we get a palindrome (214202202412).

The spelling of 212002002200 in words is "two hundred twelve billion, two million, two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1060010011 2120020022 4240040044 5300050055 8480080088 10600100110 21200200220 26500250275 42400400440 53000500550 106001001100 212002002200