Base | Representation |
---|---|
bin | 1111100000000… |
… | …1001011111000 |
3 | 11112100011222001 |
4 | 3320001023320 |
5 | 113121012233 |
6 | 10241310344 |
7 | 1416426451 |
oct | 370011370 |
9 | 145304861 |
10 | 65016568 |
11 | 33777a01 |
12 | 199353b4 |
13 | 10615456 |
14 | 88c6128 |
15 | 5a9427d |
hex | 3e012f8 |
65016568 has 16 divisors (see below), whose sum is σ = 129077280. Its totient is φ = 30595968.
The previous prime is 65016563. The next prime is 65016569. The reversal of 65016568 is 86561056.
It is a super-2 number, since 2×650165682 = 8454308228997248, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65016563) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238896 + ... + 239167.
It is an arithmetic number, because the mean of its divisors is an integer number (8067330).
Almost surely, 265016568 is an apocalyptic number.
65016568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
65016568 is a deficient number, since it is larger than the sum of its proper divisors (64060712).
65016568 is a wasteful number, since it uses less digits than its factorization.
65016568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478086 (or 478082 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 65016568 is about 8063.2851865725. The cubic root of 65016568 is about 402.1067346924.
The spelling of 65016568 in words is "sixty-five million, sixteen thousand, five hundred sixty-eight".
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