Base | Representation |
---|---|
bin | 1001001011111111011001… |
… | …00100010011000010100000 |
3 | 2122112101222202100200221010 |
4 | 10211333230210103002200 |
5 | 10122002123213144412 |
6 | 110545115542100520 |
7 | 4153430063443356 |
oct | 445775444230240 |
9 | 78471882320833 |
10 | 20203200131232 |
11 | 648a146861198 |
12 | 2323622a1a740 |
13 | b371cc5b9391 |
14 | 4dbba935d7d6 |
15 | 2507e923233c |
hex | 125fec9130a0 |
20203200131232 has 48 divisors (see below), whose sum is σ = 53137591829280. Its totient is φ = 6721169379072.
The previous prime is 20203200131221. The next prime is 20203200131237. The reversal of 20203200131232 is 23213100230202.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×202032001312322 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20203200131199 and 20203200131208.
It is not an unprimeable number, because it can be changed into a prime (20203200131237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206680018 + ... + 206777745.
It is an arithmetic number, because the mean of its divisors is an integer number (1107033163110).
Almost surely, 220203200131232 is an apocalyptic number.
It is an amenable number.
20203200131232 is an abundant number, since it is smaller than the sum of its proper divisors (32934391698048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20203200131232 is a wasteful number, since it uses less digits than its factorization.
20203200131232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413458285 (or 413458277 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20203200131232 its reverse (23213100230202), we get a palindrome (43416300361434).
The spelling of 20203200131232 in words is "twenty trillion, two hundred three billion, two hundred million, one hundred thirty-one thousand, two hundred thirty-two".
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