Base | Representation |
---|---|
bin | 1011111100000100111… |
… | …1001111010110010101 |
3 | 201121102011002221211211 |
4 | 2333001033033112111 |
5 | 11330023444220004 |
6 | 234120225501421 |
7 | 20550463435606 |
oct | 2770117172625 |
9 | 647364087754 |
10 | 205105460629 |
11 | 79a9175a353 |
12 | 339014a1871 |
13 | 16458c83bb4 |
14 | 9cda195dad |
15 | 55067ad504 |
hex | 2fc13cf595 |
205105460629 has 8 divisors (see below), whose sum is σ = 215708313600. Its totient is φ = 194643043056.
The previous prime is 205105460627. The next prime is 205105460633. The reversal of 205105460629 is 926064501502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 205105460629 - 21 = 205105460627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 205105460591 and 205105460600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205105460621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35105854 + ... + 35111695.
It is an arithmetic number, because the mean of its divisors is an integer number (26963539200).
Almost surely, 2205105460629 is an apocalyptic number.
It is an amenable number.
205105460629 is a deficient number, since it is larger than the sum of its proper divisors (10602852971).
205105460629 is a wasteful number, since it uses less digits than its factorization.
205105460629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70217699.
The product of its (nonzero) digits is 129600, while the sum is 40.
The spelling of 205105460629 in words is "two hundred five billion, one hundred five million, four hundred sixty thousand, six hundred twenty-nine".
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