Base | Representation |
---|---|
bin | 1001001001111001010010… |
… | …00110101010110000111000 |
3 | 2122021112011000220122112212 |
4 | 10210330221012222300320 |
5 | 10114312200020031412 |
6 | 110452051325554252 |
7 | 4145300635644506 |
oct | 444745106526070 |
9 | 78245130818485 |
10 | 20131201330232 |
11 | 646165a371373 |
12 | 231168a715988 |
13 | b30497027355 |
14 | 4d84d90c1676 |
15 | 24d9d33e9222 |
hex | 124f291aac38 |
20131201330232 has 32 divisors (see below), whose sum is σ = 38314431421200. Its totient is φ = 9914059271424.
The previous prime is 20131201330189. The next prime is 20131201330241. The reversal of 20131201330232 is 23203310213102.
It is a junction number, because it is equal to n+sod(n) for n = 20131201330198 and 20131201330207.
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, 1593188 + ... + 6542220.
Almost surely, 220131201330232 is an apocalyptic number.
It is an amenable number.
20131201330232 is a deficient number, since it is larger than the sum of its proper divisors (18183230090968).
20131201330232 is a wasteful number, since it uses less digits than its factorization.
20131201330232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4956695 (or 4956691 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 20131201330232 its reverse (23203310213102), we get a palindrome (43334511543334).
The spelling of 20131201330232 in words is "twenty trillion, one hundred thirty-one billion, two hundred one million, three hundred thirty thousand, two hundred thirty-two".
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