Base | Representation |
---|---|
bin | 10010110111001010101… |
… | …11010110010100111001 |
3 | 2021221211201200121222220 |
4 | 21123211113112110321 |
5 | 41104243324311000 |
6 | 1213421354234253 |
7 | 64552232200116 |
oct | 11334527262471 |
9 | 2257751617886 |
10 | 648093197625 |
11 | 22a944794815 |
12 | a5731125989 |
13 | 491656543b3 |
14 | 2352165990d |
15 | 11cd210e1a0 |
hex | 96e55d6539 |
648093197625 has 16 divisors (see below), whose sum is σ = 1078427081472. Its totient is φ = 345649705200.
The previous prime is 648093197621. The next prime is 648093197639. The reversal of 648093197625 is 526791390846.
It is not a de Polignac number, because 648093197625 - 22 = 648093197621 is a prime.
It is not an unprimeable number, because it can be changed into a prime (648093197621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864123889 + ... + 864124638.
It is an arithmetic number, because the mean of its divisors is an integer number (67401692592).
It is a 1-persistent number, because it is pandigital, but 2⋅648093197625 = 1296186395250 is not.
Almost surely, 2648093197625 is an apocalyptic number.
It is an amenable number.
648093197625 is a deficient number, since it is larger than the sum of its proper divisors (430333883847).
648093197625 is a wasteful number, since it uses less digits than its factorization.
648093197625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1728248545 (or 1728248535 counting only the distinct ones).
The product of its (nonzero) digits is 19595520, while the sum is 60.
The spelling of 648093197625 in words is "six hundred forty-eight billion, ninety-three million, one hundred ninety-seven thousand, six hundred twenty-five".
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