Base | Representation |
---|---|
bin | 11110001100111111… |
… | …111001101000001111 |
3 | 10002201010101120201101 |
4 | 132030333321220033 |
5 | 1012404131114211 |
6 | 22522010323531 |
7 | 2225440164100 |
oct | 361477715017 |
9 | 102633346641 |
10 | 32430332431 |
11 | 12832093832 |
12 | 6350a295a7 |
13 | 309aa41123 |
14 | 17d91223a7 |
15 | c9c1925c1 |
hex | 78cff9a0f |
32430332431 has 12 divisors (see below), whose sum is σ = 38527744608. Its totient is φ = 27205991232.
The previous prime is 32430332413. The next prime is 32430332461. The reversal of 32430332431 is 13423303423.
It is a happy number.
It is not a de Polignac number, because 32430332431 - 25 = 32430332399 is a prime.
It is a super-3 number, since 3×324303324313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 32430332431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32430332461) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7038586 + ... + 7043191.
It is an arithmetic number, because the mean of its divisors is an integer number (3210645384).
Almost surely, 232430332431 is an apocalyptic number.
32430332431 is a deficient number, since it is larger than the sum of its proper divisors (6097412177).
32430332431 is a wasteful number, since it uses less digits than its factorization.
32430332431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14081838 (or 14081831 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 28.
Adding to 32430332431 its reverse (13423303423), we get a palindrome (45853635854).
The spelling of 32430332431 in words is "thirty-two billion, four hundred thirty million, three hundred thirty-two thousand, four hundred thirty-one".
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