Base | Representation |
---|---|
bin | 1010011011111010… |
… | …0110100101100110 |
3 | 21020020101022220122 |
4 | 2212332212211212 |
5 | 21214131210323 |
6 | 1141552201542 |
7 | 126264516005 |
oct | 24676464546 |
9 | 7206338818 |
10 | 2801428838 |
11 | 1208373a4a |
12 | 6622392b2 |
13 | 35850a700 |
14 | 1c80b6c3c |
15 | 115e1cec8 |
hex | a6fa6966 |
2801428838 has 24 divisors (see below), whose sum is σ = 4592055600. Its totient is φ = 1281088224.
The previous prime is 2801428829. The next prime is 2801428867. The reversal of 2801428838 is 8388241082.
It is a super-3 number, since 3×28014288383 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178 + ... + 74861.
It is an arithmetic number, because the mean of its divisors is an integer number (191335650).
Almost surely, 22801428838 is an apocalyptic number.
2801428838 is a deficient number, since it is larger than the sum of its proper divisors (1790626762).
2801428838 is a wasteful number, since it uses less digits than its factorization.
2801428838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76176 (or 76163 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 44.
The square root of 2801428838 is about 52928.5257493537. The cubic root of 2801428838 is about 1409.6994544106.
The spelling of 2801428838 in words is "two billion, eight hundred one million, four hundred twenty-eight thousand, eight hundred thirty-eight".
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