Base | Representation |
---|---|
bin | 1011001000110111… |
… | …1110111010001001 |
3 | 21201101020020121212 |
4 | 2302031332322021 |
5 | 22110420304433 |
6 | 1212410142505 |
7 | 134044444205 |
oct | 26215767211 |
9 | 7641206555 |
10 | 2990009993 |
11 | 12a4867843 |
12 | 6b5421a35 |
13 | 3885c73a9 |
14 | 205165b05 |
15 | 12776dd48 |
hex | b237ee89 |
2990009993 has 16 divisors (see below), whose sum is σ = 3268372800. Its totient is φ = 2725643520.
The previous prime is 2990009987. The next prime is 2990010017. The reversal of 2990009993 is 3999000992.
It is a cyclic number.
It is not a de Polignac number, because 2990009993 - 210 = 2990008969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2990009983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30578 + ... + 83156.
It is an arithmetic number, because the mean of its divisors is an integer number (204273300).
Almost surely, 22990009993 is an apocalyptic number.
It is an amenable number.
2990009993 is a deficient number, since it is larger than the sum of its proper divisors (278362807).
2990009993 is a wasteful number, since it uses less digits than its factorization.
2990009993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52712.
The product of its (nonzero) digits is 354294, while the sum is 50.
The square root of 2990009993 is about 54680.9838335047. The cubic root of 2990009993 is about 1440.6468918697.
The spelling of 2990009993 in words is "two billion, nine hundred ninety million, nine thousand, nine hundred ninety-three".
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