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2018200000188 = 2231091542966361
BaseRepresentation
bin11101010111100110000…
…110000001011010111100
321010221022211100122200010
4131113212012001122330
5231031233200001223
64143052010103220
7265544606645061
oct35274606013274
97127284318603
102018200000188
11708a06316359
1228718311ab10
1311841404c058
146d977a9cc68
1537770be0393
hex1d5e61816bc

2018200000188 has 24 divisors (see below), whose sum is σ = 4752336394960. Its totient is φ = 666561467520.

The previous prime is 2018200000171. The next prime is 2018200000213. The reversal of 2018200000188 is 8810000028102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771481873 + ... + 771484488.

Almost surely, 22018200000188 is an apocalyptic number.

It is an amenable number.

2018200000188 is an abundant number, since it is smaller than the sum of its proper divisors (2734136394772).

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

2018200000188 is a wasteful number, since it uses less digits than its factorization.

2018200000188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542966477 (or 1542966475 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The spelling of 2018200000188 in words is "two trillion, eighteen billion, two hundred million, one hundred eighty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 1542966361 3085932722 4628899083 6171865444 9257798166 18515596332 168183333349 336366666698 504550000047 672733333396 1009100000094 2018200000188