Base | Representation |
---|---|
bin | 101111100011100000… |
… | …1000110001010110001 |
3 | 100202121010211010202020 |
4 | 1133013001012022301 |
5 | 3133122014414301 |
6 | 114525330342053 |
7 | 10243464613320 |
oct | 1370701061261 |
9 | 322533733666 |
10 | 102123201201 |
11 | 3a34598063a |
12 | 17960a2a929 |
13 | 9826661b08 |
14 | 4d2b02a0b7 |
15 | 29ca836436 |
hex | 17c70462b1 |
102123201201 has 16 divisors (see below), whose sum is σ = 155764405248. Its totient is φ = 58300578000.
The previous prime is 102123201197. The next prime is 102123201221. The reversal of 102123201201 is 102102321201.
It is not a de Polignac number, because 102123201201 - 22 = 102123201197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102123201221) by changing a digit.
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, 2291445 + ... + 2335586.
It is an arithmetic number, because the mean of its divisors is an integer number (9735275328).
Almost surely, 2102123201201 is an apocalyptic number.
It is an amenable number.
102123201201 is a deficient number, since it is larger than the sum of its proper divisors (53641204047).
102123201201 is a wasteful number, since it uses less digits than its factorization.
102123201201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4628092.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 102123201201 its reverse (102102321201), we get a palindrome (204225522402).
The spelling of 102123201201 in words is "one hundred two billion, one hundred twenty-three million, two hundred one thousand, two hundred one".
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