Base | Representation |
---|---|
bin | 10101100111000001… |
… | …100111000110100000 |
3 | 2012220002010101021010 |
4 | 111213001213012200 |
5 | 340010021441112 |
6 | 14354235300520 |
7 | 1450666620015 |
oct | 254701470640 |
9 | 65802111233 |
10 | 23203312032 |
11 | 992773483a |
12 | 45b68aa740 |
13 | 225a235b44 |
14 | 11a18d370c |
15 | 90c0c063c |
hex | 5670671a0 |
23203312032 has 96 divisors (see below), whose sum is σ = 63070116480. Its totient is φ = 7460490240.
The previous prime is 23203312007. The next prime is 23203312037. The reversal of 23203312032 is 23021330232.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (23203312037) 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, 3373557 + ... + 3380427.
It is an arithmetic number, because the mean of its divisors is an integer number (656980380).
Almost surely, 223203312032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23203312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31535058240).
23203312032 is an abundant number, since it is smaller than the sum of its proper divisors (39866804448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23203312032 is a wasteful number, since it uses less digits than its factorization.
23203312032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8126 (or 8118 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 23203312032 its reverse (23021330232), we get a palindrome (46224642264).
The spelling of 23203312032 in words is "twenty-three billion, two hundred three million, three hundred twelve thousand, thirty-two".
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