Base | Representation |
---|---|
bin | 11110100101010… |
… | …110100010001001 |
3 | 1022202111120222220 |
4 | 132211112202021 |
5 | 2022323424410 |
6 | 122525404253 |
7 | 15500226666 |
oct | 3645264211 |
9 | 1282446886 |
10 | 513108105 |
11 | 2436aa794 |
12 | 123a09689 |
13 | 823c4583 |
14 | 4c208a6d |
15 | 300a7070 |
hex | 1e956889 |
513108105 has 16 divisors (see below), whose sum is σ = 836464320. Its totient is φ = 268493888.
The previous prime is 513108103. The next prime is 513108131. The reversal of 513108105 is 501801315.
It is a cyclic number.
It is not a de Polignac number, because 513108105 - 21 = 513108103 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (513108103) 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, 321915 + ... + 323504.
It is an arithmetic number, because the mean of its divisors is an integer number (52279020).
Almost surely, 2513108105 is an apocalyptic number.
It is an amenable number.
513108105 is a deficient number, since it is larger than the sum of its proper divisors (323356215).
513108105 is a wasteful number, since it uses less digits than its factorization.
513108105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645480.
The product of its (nonzero) digits is 600, while the sum is 24.
The square root of 513108105 is about 22651.8896562737. The cubic root of 513108105 is about 800.5767221604.
The spelling of 513108105 in words is "five hundred thirteen million, one hundred eight thousand, one hundred five".
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