Base | Representation |
---|---|
bin | 101111011110100010110001… |
… | …000110001000011101001110 |
3 | 1000101022202121220101102100201 |
4 | 233132202301012020131032 |
5 | 204332043420404041240 |
6 | 2020032354050044114 |
7 | 61660546423542130 |
oct | 5736426106103516 |
9 | 1011282556342321 |
10 | 208807101237070 |
11 | 6059465a070846 |
12 | 1b50426b87963a |
13 | 8c6856b0c021b |
14 | 397c4637b9050 |
15 | 192184295bd9a |
hex | bde8b118874e |
208807101237070 has 64 divisors (see below), whose sum is σ = 452288986490880. Its totient is φ = 67802768921088.
The previous prime is 208807101237041. The next prime is 208807101237073. The reversal of 208807101237070 is 70732101708802.
208807101237070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 208807101237070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208807101237073) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19035387 + ... + 27927766.
It is an arithmetic number, because the mean of its divisors is an integer number (7067015413920).
Almost surely, 2208807101237070 is an apocalyptic number.
208807101237070 is an abundant number, since it is smaller than the sum of its proper divisors (243481885253810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208807101237070 is a wasteful number, since it uses less digits than its factorization.
208807101237070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46966529.
The product of its (nonzero) digits is 263424, while the sum is 46.
The spelling of 208807101237070 in words is "two hundred eight trillion, eight hundred seven billion, one hundred one million, two hundred thirty-seven thousand, seventy".
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