Base | Representation |
---|---|
bin | 10101101000000110… |
… | …101010010101010000 |
3 | 2012221100012000101202 |
4 | 111220012222111100 |
5 | 340024140210300 |
6 | 14400123250332 |
7 | 1451306520056 |
oct | 255006522520 |
9 | 65840160352 |
10 | 23221413200 |
11 | 9936978487 |
12 | 46009799a8 |
13 | 2260c02bab |
14 | 11a40861d6 |
15 | 90d998ad5 |
hex | 5681aa550 |
23221413200 has 30 divisors (see below), whose sum is σ = 55789446174. Its totient is φ = 9288565120.
The previous prime is 23221413119. The next prime is 23221413209. The reversal of 23221413200 is 231412232.
It can be written as a sum of positive squares in 3 ways, for example, as 223084096 + 22998329104 = 14936^2 + 151652^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23221413209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29026367 + ... + 29027166.
Almost surely, 223221413200 is an apocalyptic number.
23221413200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23221413200 is an abundant number, since it is smaller than the sum of its proper divisors (32568032974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23221413200 is a wasteful number, since it uses less digits than its factorization.
23221413200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58053551 (or 58053540 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23221413200 its reverse (231412232), we get a palindrome (23452825432).
The spelling of 23221413200 in words is "twenty-three billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred".
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