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30112005200 = 2452277271769
BaseRepresentation
bin11100000010110100…
…001011110001010000
32212201120001100121212
4130002310023301100
5443132133131300
621455552435252
72114126551424
oct340264136120
985646040555
1030112005200
1111852495212
125a04548b28
132abb650074
141659282b84
15bb38a0935
hex702d0bc50

30112005200 has 60 divisors (see below), whose sum is σ = 72605529660. Its totient is φ = 12001274880.

The previous prime is 30112005199. The next prime is 30112005227. The reversal of 30112005200 is 250021103.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 38416 + 30111966784 = 196^2 + 173528^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25085 + ... + 246684.

It is an arithmetic number, because the mean of its divisors is an integer number (1210092161).

Almost surely, 230112005200 is an apocalyptic number.

It is an amenable number.

30112005200 is an abundant number, since it is smaller than the sum of its proper divisors (42493524460).

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

30112005200 is a wasteful number, since it uses less digits than its factorization.

30112005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272064 (or 272053 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 30112005200 its reverse (250021103), we get a palindrome (30362026303).

The spelling of 30112005200 in words is "thirty billion, one hundred twelve million, five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 277 400 554 1108 1385 2216 2770 4432 5540 6925 11080 13850 22160 27700 55400 110800 271769 543538 1087076 1358845 2174152 2717690 4348304 5435380 6794225 10870760 13588450 21741520 27176900 54353800 75280013 108707600 150560026 301120052 376400065 602240104 752800130 1204480208 1505600260 1882000325 3011200520 3764000650 6022401040 7528001300 15056002600 30112005200