Base | Representation |
---|---|
bin | 111101101011100… |
… | …0100001010011010 |
3 | 12100020101210201220 |
4 | 1323113010022122 |
5 | 13214312101210 |
6 | 541211352510 |
7 | 102200453214 |
oct | 17327041232 |
9 | 5306353656 |
10 | 2069643930 |
11 | 972295132 |
12 | 499152736 |
13 | 26ca1caa3 |
14 | 158c275b4 |
15 | c1a6cc70 |
hex | 7b5c429a |
2069643930 has 32 divisors (see below), whose sum is σ = 5003411904. Its totient is φ = 547875456.
The previous prime is 2069643907. The next prime is 2069643941. The reversal of 2069643930 is 393469602.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247672 + ... + 255891.
It is an arithmetic number, because the mean of its divisors is an integer number (156356622).
Almost surely, 22069643930 is an apocalyptic number.
2069643930 is an abundant number, since it is smaller than the sum of its proper divisors (2933767974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2069643930 is a wasteful number, since it uses less digits than its factorization.
2069643930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503710.
The product of its (nonzero) digits is 209952, while the sum is 42.
The square root of 2069643930 is about 45493.3394025983. The cubic root of 2069643930 is about 1274.3788192858.
The spelling of 2069643930 in words is "two billion, sixty-nine million, six hundred forty-three thousand, nine hundred thirty".
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