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23218091824050 = 232522271472
BaseRepresentation
bin1010100011101111000100…
…00111011001001110110010
310001012121221201222100112200
411101313202013121032302
511020401123001332200
6121214124422204030
74614310650135504
oct521674207311662
9101177851870480
1023218091824050
1174418125a4112
12272b9a3b83616
13cc55c23a3626
145a3a93d25d74
152a3e50ee4800
hex151de21d93b2

23218091824050 has 54 divisors (see below), whose sum is σ = 62379547989213. Its totient is φ = 6191463895440.

The previous prime is 23218091824007. The next prime is 23218091824061. The reversal of 23218091824050 is 5042819081232.

23218091824050 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 80 + 91 + 82 + 405 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22753729987569 + 464361836481 = 4770087^2 + 681441^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=3407205.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 23218091823987 and 23218091824005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 102102577 + ... + 102329723.

Almost surely, 223218091824050 is an apocalyptic number.

23218091824050 is an abundant number, since it is smaller than the sum of its proper divisors (39161456165163).

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

23218091824050 is an frugal number, since it uses more digits than its factorization.

23218091824050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454312 (or 227157 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 23218091824050 in words is "twenty-three trillion, two hundred eighteen billion, ninety-one million, eight hundred twenty-four thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 227147 454294 681441 1135735 1362882 2044323 2271470 3407205 4088646 5678675 6814410 10221615 11357350 17036025 20443230 34072050 51108075 102216150 51595759609 103191519218 154787278827 257978798045 309574557654 464361836481 515957596090 773936394135 928723672962 1289893990225 1547872788270 2321809182405 2579787980450 3869681970675 4643618364810 7739363941350 11609045912025 23218091824050