Base | Representation |
---|---|
bin | 101111011111111001… |
… | …1100001010111111001 |
3 | 100202021201010202012020 |
4 | 1132333303201113321 |
5 | 3132400030431410 |
6 | 114505325105053 |
7 | 10240465261266 |
oct | 1367763412771 |
9 | 322251122166 |
10 | 102002202105 |
11 | 3a293647191 |
12 | 179283b8189 |
13 | 980757820b |
14 | 4d18d3026d |
15 | 29bedd4a70 |
hex | 17bfce15f9 |
102002202105 has 24 divisors (see below), whose sum is σ = 167087265408. Its totient is φ = 53136016416.
The previous prime is 102002202091. The next prime is 102002202143. The reversal of 102002202105 is 501202200201.
It is not a de Polignac number, because 102002202105 - 28 = 102002201849 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1811137 + ... + 1866606.
It is an arithmetic number, because the mean of its divisors is an integer number (6961969392).
Almost surely, 2102002202105 is an apocalyptic number.
102002202105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102002202105 is a deficient number, since it is larger than the sum of its proper divisors (65085063303).
102002202105 is an equidigital number, since it uses as much as digits as its factorization.
102002202105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3677837 (or 3677794 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 102002202105 its reverse (501202200201), we get a palindrome (603204402306).
The spelling of 102002202105 in words is "one hundred two billion, two million, two hundred two thousand, one hundred five".
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