Base | Representation |
---|---|
bin | 10010101000001001… |
… | …110001011011100000 |
3 | 1220121220102020102111 |
4 | 102220021301123200 |
5 | 311430224100412 |
6 | 13104402525104 |
7 | 1305433502530 |
oct | 225011613340 |
9 | 56556366374 |
10 | 20001003232 |
11 | 8534054841 |
12 | 3a62366794 |
13 | 1b69969472 |
14 | d7a4a74c0 |
15 | 7c0db82a7 |
hex | 4a82716e0 |
20001003232 has 48 divisors (see below), whose sum is σ = 45075979872. Its totient is φ = 8557816320.
The previous prime is 20001003203. The next prime is 20001003257. The reversal of 20001003232 is 23230010002.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64482 + ... + 210142.
It is an arithmetic number, because the mean of its divisors is an integer number (939082914).
Almost surely, 220001003232 is an apocalyptic number.
It is an amenable number.
20001003232 is an abundant number, since it is smaller than the sum of its proper divisors (25074976640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20001003232 is a wasteful number, since it uses less digits than its factorization.
20001003232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146291 (or 146283 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20001003232 its reverse (23230010002), we get a palindrome (43231013234).
The spelling of 20001003232 in words is "twenty billion, one million, three thousand, two hundred thirty-two".
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