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18223314050 = 25217211232
BaseRepresentation
bin10000111110001100…
…011011010010000010
31202001000101021022102
4100332030123102002
5244310132022200
612212140510402
71213406420324
oct207614332202
952030337272
1018223314050
117801649627
123646b4b402
13194558b586
14c4c35b614
15719cba6d5
hex43e31b482

18223314050 has 54 divisors (see below), whose sum is σ = 36038585403. Its totient is φ = 6854432640.

The previous prime is 18223313929. The next prime is 18223314073. The reversal of 18223314050 is 5041332281.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 11865962761 + 6357351289 = 108931^2 + 79733^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=95455.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16226789 + ... + 16227911.

Almost surely, 218223314050 is an apocalyptic number.

18223314050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18223314050 is a deficient number, since it is larger than the sum of its proper divisors (17815271353).

18223314050 is an equidigital number, since it uses as much as digits as its factorization.

18223314050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 18223314050 in words is "eighteen billion, two hundred twenty-three million, three hundred fourteen thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 289 425 578 850 1123 1445 2246 2890 5615 7225 11230 14450 19091 28075 38182 56150 95455 190910 324547 477275 649094 954550 1261129 1622735 2522258 3245470 6305645 8113675 12611290 16227350 21439193 31528225 42878386 63056450 107195965 214391930 364466281 535979825 728932562 1071959650 1822331405 3644662810 9111657025 18223314050