Base | Representation |
---|---|
bin | 10010101001111001… |
… | …101010100100000000 |
3 | 1220200221121110100212 |
4 | 102221321222210000 |
5 | 312010231211412 |
6 | 13111331333252 |
7 | 1306241016545 |
oct | 225171524400 |
9 | 56627543325 |
10 | 20030335232 |
11 | 8549669366 |
12 | 3a70151228 |
13 | 1b72a6938b |
14 | d80340bcc |
15 | 7c375e222 |
hex | 4a9e6a900 |
20030335232 has 36 divisors (see below), whose sum is σ = 40154144940. Its totient is φ = 9972154368.
The previous prime is 20030335229. The next prime is 20030335253. The reversal of 20030335232 is 23253303002.
It can be written as a sum of positive squares in 2 ways, for example, as 12184627456 + 7845707776 = 110384^2 + 88576^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20030335198 and 20030335207.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108257 + ... + 227552.
It is an arithmetic number, because the mean of its divisors is an integer number (1115392915).
Almost surely, 220030335232 is an apocalyptic number.
It is an amenable number.
20030335232 is an abundant number, since it is smaller than the sum of its proper divisors (20123809708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030335232 is an equidigital number, since it uses as much as digits as its factorization.
20030335232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336058 (or 336044 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 23.
Adding to 20030335232 its reverse (23253303002), we get a palindrome (43283638234).
The spelling of 20030335232 in words is "twenty billion, thirty million, three hundred thirty-five thousand, two hundred thirty-two".
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