Base | Representation |
---|---|
bin | 111101101001001… |
… | …1011000010000000 |
3 | 12100011002222020222 |
4 | 1323102123002000 |
5 | 13214004130010 |
6 | 541125322212 |
7 | 102154224032 |
oct | 17322330200 |
9 | 5304088228 |
10 | 2068426880 |
11 | 971633803 |
12 | 498866368 |
13 | 26c6b4b40 |
14 | 1589cbc52 |
15 | c18cc355 |
hex | 7b49b080 |
2068426880 has 64 divisors (see below), whose sum is σ = 5325226200. Its totient is φ = 763723776.
The previous prime is 2068426859. The next prime is 2068426889. The reversal of 2068426880 is 886248602.
It can be written as a sum of positive squares in 4 ways, for example, as 1829786176 + 238640704 = 42776^2 + 15448^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (2068426889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115985 + ... + 132624.
Almost surely, 22068426880 is an apocalyptic number.
2068426880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2068426880 is an abundant number, since it is smaller than the sum of its proper divisors (3256799320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2068426880 is a wasteful number, since it uses less digits than its factorization.
2068426880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248641 (or 248629 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 44.
The square root of 2068426880 is about 45479.9613016546. The cubic root of 2068426880 is about 1274.1289716612.
The spelling of 2068426880 in words is "two billion, sixty-eight million, four hundred twenty-six thousand, eight hundred eighty".
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