Base | Representation |
---|---|
bin | 111011011001111… |
… | …1110101001010101 |
3 | 12010220211000220012 |
4 | 1312303332221111 |
5 | 13040243244204 |
6 | 525444050005 |
7 | 100253042246 |
oct | 16663765125 |
9 | 5126730805 |
10 | 1993337429 |
11 | 933206a06 |
12 | 477693905 |
13 | 259c83905 |
14 | 14ca42ccd |
15 | b9ee876e |
hex | 76cfea55 |
1993337429 has 8 divisors (see below), whose sum is σ = 2004974400. Its totient is φ = 1981717056.
The previous prime is 1993337407. The next prime is 1993337453. The reversal of 1993337429 is 9247333991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1993337429 - 228 = 1724901973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1993337029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299789 + ... + 306365.
It is an arithmetic number, because the mean of its divisors is an integer number (250621800).
Almost surely, 21993337429 is an apocalyptic number.
It is an amenable number.
1993337429 is a deficient number, since it is larger than the sum of its proper divisors (11636971).
1993337429 is a wasteful number, since it uses less digits than its factorization.
1993337429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8299.
The product of its digits is 1102248, while the sum is 50.
The square root of 1993337429 is about 44646.8076014400. The cubic root of 1993337429 is about 1258.5204412243.
The spelling of 1993337429 in words is "one billion, nine hundred ninety-three million, three hundred thirty-seven thousand, four hundred twenty-nine".
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