Base | Representation |
---|---|
bin | 11000110100010000… |
… | …00001011010001000 |
3 | 1021101111222022120000 |
4 | 30122020001122020 |
5 | 204241220244144 |
6 | 10042014403000 |
7 | 651106302624 |
oct | 143210013210 |
9 | 37344868500 |
10 | 13323212424 |
11 | 5717673765 |
12 | 26b9b00460 |
13 | 1344339162 |
14 | 905662184 |
15 | 52e9e8769 |
hex | 31a201688 |
13323212424 has 80 divisors (see below), whose sum is σ = 37736790300. Its totient is φ = 4391152128.
The previous prime is 13323212423. The next prime is 13323212437. The reversal of 13323212424 is 42421232331.
13323212424 is a `hidden beast` number, since 1 + 3 + 3 + 23 + 212 + 424 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 13275187524 + 48024900 = 115218^2 + 6930^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (13323212423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57837 + ... + 173180.
Almost surely, 213323212424 is an apocalyptic number.
It is an amenable number.
13323212424 is an abundant number, since it is smaller than the sum of its proper divisors (24413577876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13323212424 is a wasteful number, since it uses less digits than its factorization.
13323212424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231124 (or 231111 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
Adding to 13323212424 its reverse (42421232331), we get a palindrome (55744444755).
The spelling of 13323212424 in words is "thirteen billion, three hundred twenty-three million, two hundred twelve thousand, four hundred twenty-four".
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