Base | Representation |
---|---|
bin | 10101100111100011… |
… | …100110101011101010 |
3 | 2012220200220010002202 |
4 | 111213203212223222 |
5 | 340014312120320 |
6 | 14355154300202 |
7 | 1451135433101 |
oct | 254743465352 |
9 | 65820803082 |
10 | 23212223210 |
11 | 9931770950 |
12 | 45b9887662 |
13 | 225c035c27 |
14 | 11a2b73038 |
15 | 90cc80b75 |
hex | 5678e6aea |
23212223210 has 32 divisors (see below), whose sum is σ = 47152108800. Its totient is φ = 8149744960.
The previous prime is 23212223179. The next prime is 23212223219. The reversal of 23212223210 is 1232221232.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23212223219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635090 + ... + 3641469.
It is an arithmetic number, because the mean of its divisors is an integer number (1473503400).
Almost surely, 223212223210 is an apocalyptic number.
23212223210 is an abundant number, since it is smaller than the sum of its proper divisors (23939885590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23212223210 is a wasteful number, since it uses less digits than its factorization.
23212223210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7276606.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23212223210 its reverse (1232221232), we get a palindrome (24444444442).
The spelling of 23212223210 in words is "twenty-three billion, two hundred twelve million, two hundred twenty-three thousand, two hundred ten".
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