Base | Representation |
---|---|
bin | 111101101010000… |
… | …1010101001001000 |
3 | 12100011222012100211 |
4 | 1323110022221020 |
5 | 13214113242130 |
6 | 541143210504 |
7 | 102161136616 |
oct | 17324125110 |
9 | 5304865324 |
10 | 2068884040 |
11 | 971916223 |
12 | 498a46a34 |
13 | 26c814c52 |
14 | 158aaa6b6 |
15 | c196ca2a |
hex | 7b50aa48 |
2068884040 has 32 divisors (see below), whose sum is σ = 4857382080. Its totient is φ = 791572672.
The previous prime is 2068884031. The next prime is 2068884043. The reversal of 2068884040 is 404888602.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 2068883984 and 2068884002.
It is not an unprimeable number, because it can be changed into a prime (2068884043) 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, 1123474 + ... + 1125313.
It is an arithmetic number, because the mean of its divisors is an integer number (151793190).
Almost surely, 22068884040 is an apocalyptic number.
2068884040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2068884040 is an abundant number, since it is smaller than the sum of its proper divisors (2788498040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2068884040 is a wasteful number, since it uses less digits than its factorization.
2068884040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2248821 (or 2248817 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The square root of 2068884040 is about 45484.9869737257. The cubic root of 2068884040 is about 1274.2228333134. Note that the first 3 decimals are identical.
The spelling of 2068884040 in words is "two billion, sixty-eight million, eight hundred eighty-four thousand, forty".
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