Base | Representation |
---|---|
bin | 100101100011001101100… |
… | …010011010110101000001 |
3 | 100010200112111220100202001 |
4 | 211203031202122311001 |
5 | 314234204223322130 |
6 | 5253233235024001 |
7 | 354300300205633 |
oct | 45431542326501 |
9 | 10120474810661 |
10 | 2580428729665 |
11 | 9053988232a6 |
12 | 35813043b001 |
13 | 1594445a7237 |
14 | 8cc71770a53 |
15 | 471c9a6a6ca |
hex | 258cd89ad41 |
2580428729665 has 32 divisors (see below), whose sum is σ = 3153125574144. Its totient is φ = 2026857262080.
The previous prime is 2580428729653. The next prime is 2580428729677. The reversal of 2580428729665 is 5669278240852.
It is an interprime number because it is at equal distance from previous prime (2580428729653) and next prime (2580428729677).
It is not a de Polignac number, because 2580428729665 - 213 = 2580428721473 is a prime.
It is a super-2 number, since 2×25804287296652 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2580428729597 and 2580428729606.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106104087 + ... + 106128403.
It is an arithmetic number, because the mean of its divisors is an integer number (98535174192).
Almost surely, 22580428729665 is an apocalyptic number.
It is an amenable number.
2580428729665 is a deficient number, since it is larger than the sum of its proper divisors (572696844479).
2580428729665 is a wasteful number, since it uses less digits than its factorization.
2580428729665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25617.
The product of its (nonzero) digits is 116121600, while the sum is 64.
The spelling of 2580428729665 in words is "two trillion, five hundred eighty billion, four hundred twenty-eight million, seven hundred twenty-nine thousand, six hundred sixty-five".
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