Base | Representation |
---|---|
bin | 10111010011000100111100… |
… | …00010110011010110100010 |
3 | 20201101211101100112101222000 |
4 | 23221202132002303112202 |
5 | 23203400211442111232 |
6 | 300544043010024430 |
7 | 13535315013640161 |
oct | 1351423602632642 |
9 | 221354340471860 |
10 | 51233021441442 |
11 | 15362890a63955 |
12 | 58b5377278116 |
13 | 227833a353839 |
14 | c919975653d8 |
15 | 5dca4d85127c |
hex | 2e989e0b35a2 |
51233021441442 has 64 divisors (see below), whose sum is σ = 116015467138560. Its totient is φ = 16753117410432.
The previous prime is 51233021441429. The next prime is 51233021441447. The reversal of 51233021441442 is 24414412033215.
51233021441442 is a `hidden beast` number, since 5 + 1 + 23 + 3 + 0 + 214 + 414 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 51233021441397 and 51233021441406.
It is not an unprimeable number, because it can be changed into a prime (51233021441447) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19342023 + ... + 21830709.
It is an arithmetic number, because the mean of its divisors is an integer number (1812741674040).
Almost surely, 251233021441442 is an apocalyptic number.
51233021441442 is an abundant number, since it is smaller than the sum of its proper divisors (64782445697118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51233021441442 is a wasteful number, since it uses less digits than its factorization.
51233021441442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2495944 (or 2495938 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 36.
Adding to 51233021441442 its reverse (24414412033215), we get a palindrome (75647433474657).
The spelling of 51233021441442 in words is "fifty-one trillion, two hundred thirty-three billion, twenty-one million, four hundred forty-one thousand, four hundred forty-two".
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