Base | Representation |
---|---|
bin | 100111101111110100… |
… | …110010011100010110 |
3 | 11002011022202012012011 |
4 | 213233310302130112 |
5 | 1144401121022030 |
6 | 31334532014434 |
7 | 3040415356630 |
oct | 475764623426 |
9 | 132138665164 |
10 | 42678298390 |
11 | 17110872292 |
12 | 8330a6141a |
13 | 4041c0b200 |
14 | 20cc191a50 |
15 | 119bbd1b2a |
hex | 9efd32716 |
42678298390 has 48 divisors (see below), whose sum is σ = 95068371168. Its totient is φ = 13506974208.
The previous prime is 42678298373. The next prime is 42678298433. The reversal of 42678298390 is 9389287624.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1791987 + ... + 1815646.
It is an arithmetic number, because the mean of its divisors is an integer number (1980591066).
Almost surely, 242678298390 is an apocalyptic number.
42678298390 is an abundant number, since it is smaller than the sum of its proper divisors (52390072778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42678298390 is a wasteful number, since it uses less digits than its factorization.
42678298390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3607673 (or 3607660 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 58.
The spelling of 42678298390 in words is "forty-two billion, six hundred seventy-eight million, two hundred ninety-eight thousand, three hundred ninety".
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