Base | Representation |
---|---|
bin | 100100101000110100… |
… | …110101101110101110 |
3 | 10202112122111001221010 |
4 | 210220310311232232 |
5 | 1121031422131440 |
6 | 30023345050050 |
7 | 2561605321050 |
oct | 445064655656 |
9 | 122478431833 |
10 | 39339645870 |
11 | 15758228228 |
12 | 775a926926 |
13 | 392c314785 |
14 | 1c929d38d0 |
15 | 1053a46580 |
hex | 928d35bae |
39339645870 has 32 divisors (see below), whose sum is σ = 107903029248. Its totient is φ = 8991919008.
The previous prime is 39339645869. The next prime is 39339645893. The reversal of 39339645870 is 7854693393.
It is a happy number.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 39339645870.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93665614 + ... + 93666033.
It is an arithmetic number, because the mean of its divisors is an integer number (3371969664).
Almost surely, 239339645870 is an apocalyptic number.
39339645870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
39339645870 is an abundant number, since it is smaller than the sum of its proper divisors (68563383378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39339645870 is a wasteful number, since it uses less digits than its factorization.
39339645870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187331664.
The product of its (nonzero) digits is 14696640, while the sum is 57.
The spelling of 39339645870 in words is "thirty-nine billion, three hundred thirty-nine million, six hundred forty-five thousand, eight hundred seventy".
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