Base | Representation |
---|---|
bin | 111101101010001… |
… | …1010100010001000 |
3 | 12100012002111122111 |
4 | 1323110122202020 |
5 | 13214122333003 |
6 | 541144432104 |
7 | 102161530441 |
oct | 17324324210 |
9 | 5305074574 |
10 | 2068949128 |
11 | 971960114 |
12 | 498a78634 |
13 | 26c83876c |
14 | 158ac62c8 |
15 | c1981e6d |
hex | 7b51a888 |
2068949128 has 64 divisors (see below), whose sum is σ = 4155053760. Its totient is φ = 964244736.
The previous prime is 2068949123. The next prime is 2068949131. The reversal of 2068949128 is 8219498602.
It is not an unprimeable number, because it can be changed into a prime (2068949123) 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, 673051 + ... + 676117.
It is an arithmetic number, because the mean of its divisors is an integer number (64922715).
Almost surely, 22068949128 is an apocalyptic number.
It is an amenable number.
2068949128 is an abundant number, since it is smaller than the sum of its proper divisors (2086104632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2068949128 is a wasteful number, since it uses less digits than its factorization.
2068949128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206 (or 3202 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 49.
The square root of 2068949128 is about 45485.7024569260. The cubic root of 2068949128 is about 1274.2361957098.
The spelling of 2068949128 in words is "two billion, sixty-eight million, nine hundred forty-nine thousand, one hundred twenty-eight".
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