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200120000211 = 32173130398641
BaseRepresentation
bin1011101001100000010…
…1001101111011010011
3201010112201002022211200
42322120011031323103
511234321210001321
6231533414042243
720313105635565
oct2723005157323
9633481068750
10200120000211
117796358312a
123294b949383
1315b43146211
149985ddb335
155313c79d26
hex2e9814ded3

200120000211 has 24 divisors (see below), whose sum is σ = 290959178016. Its totient is φ = 132539016960.

The previous prime is 200120000167. The next prime is 200120000219. The reversal of 200120000211 is 112000021002.

It is not a de Polignac number, because 200120000211 - 26 = 200120000147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200120000193 and 200120000202.

It is not an unprimeable number, because it can be changed into a prime (200120000219) 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, 1979451 + ... + 2078091.

It is an arithmetic number, because the mean of its divisors is an integer number (12123299084).

Almost surely, 2200120000211 is an apocalyptic number.

200120000211 is a deficient number, since it is larger than the sum of its proper divisors (90839177805).

200120000211 is a wasteful number, since it uses less digits than its factorization.

200120000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100123 (or 100120 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200120000211 its reverse (112000021002), we get a palindrome (312120021213).

The spelling of 200120000211 in words is "two hundred billion, one hundred twenty million, two hundred eleven", and thus it is an aban number.

Divisors: 1 3 9 173 519 1303 1557 3909 11727 98641 225419 295923 676257 887769 2028771 17064893 51194679 128529223 153584037 385587669 1156763007 22235555579 66706666737 200120000211