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1211420030200 = 235222926450219
BaseRepresentation
bin10001101000001110010…
…000101011010011111000
311021210212221111202022221
4101220032100223103320
5124321442011431300
62324304011253424
7153344055233512
oct21501620532370
94253787452287
101211420030200
11427840030886
1217694614a274
138a30c547a23
14428c10d4bb2
15217a259831a
hex11a0e42b4f8

1211420030200 has 48 divisors (see below), whose sum is σ = 2828851029000. Its totient is φ = 482451976320.

The previous prime is 1211420030099. The next prime is 1211420030203. The reversal of 1211420030200 is 20300241121.

It is a super-3 number, since 3×12114200302003 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211420030203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13179310 + ... + 13270909.

Almost surely, 21211420030200 is an apocalyptic number.

1211420030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211420030200 is an abundant number, since it is smaller than the sum of its proper divisors (1617430998800).

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

1211420030200 is a wasteful number, since it uses less digits than its factorization.

1211420030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26450464 (or 26450455 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1211420030200 its reverse (20300241121), we get a palindrome (1231720271321).

The spelling of 1211420030200 in words is "one trillion, two hundred eleven billion, four hundred twenty million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 229 458 916 1145 1832 2290 4580 5725 9160 11450 22900 45800 26450219 52900438 105800876 132251095 211601752 264502190 529004380 661255475 1058008760 1322510950 2645021900 5290043800 6057100151 12114200302 24228400604 30285500755 48456801208 60571001510 121142003020 151427503775 242284006040 302855007550 605710015100 1211420030200