Base | Representation |
---|---|
bin | 1010100011101111000100… |
… | …00111011001001110110010 |
3 | 10001012121221201222100112200 |
4 | 11101313202013121032302 |
5 | 11020401123001332200 |
6 | 121214124422204030 |
7 | 4614310650135504 |
oct | 521674207311662 |
9 | 101177851870480 |
10 | 23218091824050 |
11 | 74418125a4112 |
12 | 272b9a3b83616 |
13 | cc55c23a3626 |
14 | 5a3a93d25d74 |
15 | 2a3e50ee4800 |
hex | 151de21d93b2 |
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".
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