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2112020200 = 235247224683
BaseRepresentation
bin111110111100010…
…1101111011101000
312110012010202001101
41331320231323220
513311134121300
6545323531144
7103223606203
oct17570557350
95405122041
102112020200
119941a9044
124ab389ab4
132787390c4
141606d893a
15c563db6a
hex7de2dee8

2112020200 has 48 divisors (see below), whose sum is σ = 5014946880. Its totient is φ = 826829760.

The previous prime is 2112020137. The next prime is 2112020203. The reversal of 2112020200 is 20202112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2112020203) 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, 102942 + ... + 121741.

It is an arithmetic number, because the mean of its divisors is an integer number (104478060).

Almost surely, 22112020200 is an apocalyptic number.

2112020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112020200 is an abundant number, since it is smaller than the sum of its proper divisors (2902926680).

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

2112020200 is a wasteful number, since it uses less digits than its factorization.

2112020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224746 (or 224737 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2112020200 is about 45956.7209448194. The cubic root of 2112020200 is about 1283.0178224015.

Adding to 2112020200 its reverse (20202112), we get a palindrome (2132222312).

The spelling of 2112020200 in words is "two billion, one hundred twelve million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 188 200 235 376 470 940 1175 1880 2350 4700 9400 224683 449366 898732 1123415 1797464 2246830 4493660 5617075 8987320 10560101 11234150 21120202 22468300 42240404 44936600 52800505 84480808 105601010 211202020 264002525 422404040 528005050 1056010100 2112020200