Base | Representation |
---|---|
bin | 1100000110000111… |
… | …00001101011000011 |
3 | 121202120001111021201 |
4 | 12003003201223003 |
5 | 101244342110242 |
6 | 2552210402031 |
7 | 316630412140 |
oct | 60303415303 |
9 | 17676044251 |
10 | 6493706947 |
11 | 283258a162 |
12 | 1312890317 |
13 | 7c6459660 |
14 | 4586073c7 |
15 | 28015b4b7 |
hex | 1830e1ac3 |
6493706947 has 16 divisors (see below), whose sum is σ = 7994295232. Its totient is φ = 5136566400.
The previous prime is 6493706917. The next prime is 6493706953. The reversal of 6493706947 is 7496073946.
It is not a de Polignac number, because 6493706947 - 27 = 6493706819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6493706917) 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, 512533 + ... + 525049.
It is an arithmetic number, because the mean of its divisors is an integer number (499643452).
Almost surely, 26493706947 is an apocalyptic number.
6493706947 is a deficient number, since it is larger than the sum of its proper divisors (1500588285).
6493706947 is a wasteful number, since it uses less digits than its factorization.
6493706947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18238.
The product of its (nonzero) digits is 6858432, while the sum is 55.
The square root of 6493706947 is about 80583.5401741572. The cubic root of 6493706947 is about 1865.6531046916.
The spelling of 6493706947 in words is "six billion, four hundred ninety-three million, seven hundred six thousand, nine hundred forty-seven".
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