Base | Representation |
---|---|
bin | 111110011100110… |
… | …001011110111101 |
3 | 2201000111012111212 |
4 | 332130301132331 |
5 | 4121204330414 |
6 | 251544254205 |
7 | 34651362506 |
oct | 7634613675 |
9 | 2630435455 |
10 | 1047730109 |
11 | 498464158 |
12 | 252a71365 |
13 | 1390ac35a |
14 | 9d213bad |
15 | 61ead83e |
hex | 3e7317bd |
1047730109 has 8 divisors (see below), whose sum is σ = 1093711680. Its totient is φ = 1001784256.
The previous prime is 1047730087. The next prime is 1047730133. The reversal of 1047730109 is 9010377401.
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 1047730109 - 216 = 1047664573 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 (1047730169) 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, 63674 + ... + 78420.
It is an arithmetic number, because the mean of its divisors is an integer number (136713960).
Almost surely, 21047730109 is an apocalyptic number.
It is an amenable number.
1047730109 is a deficient number, since it is larger than the sum of its proper divisors (45981571).
1047730109 is a wasteful number, since it uses less digits than its factorization.
1047730109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17859.
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 1047730109 is about 32368.6593636499. The cubic root of 1047730109 is about 1015.6634128638.
The spelling of 1047730109 in words is "one billion, forty-seven million, seven hundred thirty thousand, one hundred nine".
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