Base | Representation |
---|---|
bin | 100100001101100010… |
… | …011011101010010110 |
3 | 10201100202000220101210 |
4 | 210031202123222112 |
5 | 1114112222220140 |
6 | 25510112402250 |
7 | 2544346102326 |
oct | 441542335226 |
9 | 121322026353 |
10 | 38881835670 |
11 | 15542867697 |
12 | 7651546386 |
13 | 3888511b72 |
14 | 1c4bca1286 |
15 | 1028763d80 |
hex | 90d89ba96 |
38881835670 has 32 divisors (see below), whose sum is σ = 94240337760. Its totient is φ = 10265830400.
The previous prime is 38881835659. The next prime is 38881835683. The reversal of 38881835670 is 7653818883.
It is a self number, because there is not a number n which added to its sum of digits gives 38881835670.
It is a congruent number.
It is an unprimeable number.
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, 6413115 + ... + 6419174.
It is an arithmetic number, because the mean of its divisors is an integer number (2945010555).
Almost surely, 238881835670 is an apocalyptic number.
38881835670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38881835670 is an abundant number, since it is smaller than the sum of its proper divisors (55358502090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38881835670 is a wasteful number, since it uses less digits than its factorization.
38881835670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12832400.
The product of its (nonzero) digits is 7741440, while the sum is 57.
The spelling of 38881835670 in words is "thirty-eight billion, eight hundred eighty-one million, eight hundred thirty-five thousand, six hundred seventy".
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