Base | Representation |
---|---|
bin | 100100111100100011… |
… | …010111000001001101 |
3 | 10210101201020200112220 |
4 | 210330203113001031 |
5 | 1122221133423244 |
6 | 30120250445553 |
7 | 2603034414060 |
oct | 447443270115 |
9 | 123351220486 |
10 | 39670607949 |
11 | 15908029a05 |
12 | 78317338b9 |
13 | 3982a6341b |
14 | 1cc49468d7 |
15 | 1072b1e319 |
hex | 93c8d704d |
39670607949 has 16 divisors (see below), whose sum is σ = 60464259072. Its totient is φ = 22663740528.
The previous prime is 39670607929. The next prime is 39670607953. The reversal of 39670607949 is 94970607693.
It is not a de Polignac number, because 39670607949 - 225 = 39637053517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 39670607892 and 39670607901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39670607909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120669 + ... + 306434.
It is an arithmetic number, because the mean of its divisors is an integer number (3779016192).
Almost surely, 239670607949 is an apocalyptic number.
It is an amenable number.
39670607949 is a deficient number, since it is larger than the sum of its proper divisors (20793651123).
39670607949 is a wasteful number, since it uses less digits than its factorization.
39670607949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431536.
The product of its (nonzero) digits is 15431472, while the sum is 60.
The spelling of 39670607949 in words is "thirty-nine billion, six hundred seventy million, six hundred seven thousand, nine hundred forty-nine".
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