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18200090928200 = 235291000454641
BaseRepresentation
bin1000010001101100010011…
…11101000110010001001000
32101102220121121222222020012
410020312021331012101020
54341142241234200300
6102413001212051052
73555625135240406
oct410661175062110
971386547888205
1018200090928200
115887684943125
12205b371763a88
13a20351b570cc
1446cc6399c476
1521865d2de435
hex108d89f46448

18200090928200 has 24 divisors (see below), whose sum is σ = 42315211408530. Its totient is φ = 7280036371200.

The previous prime is 18200090928199. The next prime is 18200090928269. The reversal of 18200090928200 is 282909000281.

It can be written as a sum of positive squares in 3 ways, for example, as 10469922747076 + 7730168181124 = 3235726^2 + 2780318^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45500227121 + ... + 45500227520.

Almost surely, 218200090928200 is an apocalyptic number.

18200090928200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18200090928200 is an abundant number, since it is smaller than the sum of its proper divisors (24115120480330).

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

18200090928200 is a wasteful number, since it uses less digits than its factorization.

18200090928200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91000454657 (or 91000454648 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

Adding to 18200090928200 its reverse (282909000281), we get a palindrome (18482999928481).

The spelling of 18200090928200 in words is "eighteen trillion, two hundred billion, ninety million, nine hundred twenty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 91000454641 182000909282 364001818564 455002273205 728003637128 910004546410 1820009092820 2275011366025 3640018185640 4550022732050 9100045464100 18200090928200