Base | Representation |
---|---|
bin | 1100001011001… |
… | …01101110111000 |
3 | 21010011200001120 |
4 | 12011211232320 |
5 | 202121103233 |
6 | 14044545240 |
7 | 2350035633 |
oct | 605455670 |
9 | 233150046 |
10 | 102128568 |
11 | 52715783 |
12 | 2a252220 |
13 | 1820a609 |
14 | d7c6c1a |
15 | 8e754b3 |
hex | 6165bb8 |
102128568 has 64 divisors (see below), whose sum is σ = 260820000. Its totient is φ = 33318912.
The previous prime is 102128561. The next prime is 102128573. The reversal of 102128568 is 865821201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102128561) 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, 292458 + ... + 292806.
Almost surely, 2102128568 is an apocalyptic number.
It is an amenable number.
102128568 is an abundant number, since it is smaller than the sum of its proper divisors (158691432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102128568 is a wasteful number, since it uses less digits than its factorization.
102128568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 584 (or 580 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 102128568 is about 10105.8679983463. The cubic root of 102128568 is about 467.4291015098.
Adding to 102128568 its reverse (865821201), we get a palindrome (967949769).
The spelling of 102128568 in words is "one hundred two million, one hundred twenty-eight thousand, five hundred sixty-eight".
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