Base | Representation |
---|---|
bin | 11101001000011111001011… |
… | …10100101111010011100000 |
3 | 22101211101120001002011020000 |
4 | 32210033211310233103200 |
5 | 31344103111003340202 |
6 | 344130134233420000 |
7 | 16331264060001630 |
oct | 1644174564572340 |
9 | 271741501064200 |
10 | 64063293027552 |
11 | 1945a0a9873105 |
12 | 7227a8b26a600 |
13 | 29991b1414900 |
14 | 11b6973a0c6c0 |
15 | 76167743791c |
hex | 3a43e5d2f4e0 |
64063293027552 has 2880 divisors, whose sum is σ = 255263880453120. Its totient is φ = 15377435394048.
The previous prime is 64063293027551. The next prime is 64063293027563. The reversal of 64063293027552 is 25572039236046.
64063293027552 is a `hidden beast` number, since 6 + 4 + 0 + 6 + 32 + 9 + 30 + 27 + 552 = 666.
It is a super-2 number, since 2×640632930275522 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64063293027551) by changing a digit.
It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 243586665373 + ... + 243586665635.
It is an arithmetic number, because the mean of its divisors is an integer number (88633291824).
Almost surely, 264063293027552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64063293027552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127631940226560).
64063293027552 is an abundant number, since it is smaller than the sum of its proper divisors (191200587425568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64063293027552 is a wasteful number, since it uses less digits than its factorization.
64063293027552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487 (or 457 counting only the distinct ones).
The product of its (nonzero) digits is 16329600, while the sum is 54.
The spelling of 64063293027552 in words is "sixty-four trillion, sixty-three billion, two hundred ninety-three million, twenty-seven thousand, five hundred fifty-two".
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