Base | Representation |
---|---|
bin | 101111101100000001… |
… | …0000000010110011001 |
3 | 100210100000221112212220 |
4 | 1133120002000112121 |
5 | 3134213103332220 |
6 | 115013524454253 |
7 | 10253532116040 |
oct | 1373002002631 |
9 | 323300845786 |
10 | 102408652185 |
11 | 3a482018144 |
12 | 17a2054a389 |
13 | 9870837618 |
14 | 4d56cd3557 |
15 | 29e591e540 |
hex | 17d8080599 |
102408652185 has 64 divisors (see below), whose sum is σ = 195669762048. Its totient is φ = 44718879744.
The previous prime is 102408652147. The next prime is 102408652201. The reversal of 102408652185 is 581256804201.
It is not a de Polignac number, because 102408652185 - 29 = 102408651673 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1765809 + ... + 1822881.
It is an arithmetic number, because the mean of its divisors is an integer number (3057340032).
Almost surely, 2102408652185 is an apocalyptic number.
102408652185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102408652185 is a deficient number, since it is larger than the sum of its proper divisors (93261109863).
102408652185 is a wasteful number, since it uses less digits than its factorization.
102408652185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57854.
The product of its (nonzero) digits is 153600, while the sum is 42.
The spelling of 102408652185 in words is "one hundred two billion, four hundred eight million, six hundred fifty-two thousand, one hundred eighty-five".
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