Base | Representation |
---|---|
bin | 101111100011011110… |
… | …0100101110100000101 |
3 | 100202121001121010120210 |
4 | 1133012330211310011 |
5 | 3133121214120401 |
6 | 114525245150033 |
7 | 10243451564013 |
oct | 1370674456405 |
9 | 322531533523 |
10 | 102122020101 |
11 | 3a345244222 |
12 | 1796055b319 |
13 | 982633a33a |
14 | 4d2abdd8b3 |
15 | 29ca6a14d6 |
hex | 17c6f25d05 |
102122020101 has 32 divisors (see below), whose sum is σ = 149180313600. Its totient is φ = 61851847680.
The previous prime is 102122020087. The next prime is 102122020129. The reversal of 102122020101 is 101020221201.
It is not a de Polignac number, because 102122020101 - 26 = 102122020037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102122020151) 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, 10095036 + ... + 10105146.
It is an arithmetic number, because the mean of its divisors is an integer number (4661884800).
Almost surely, 2102122020101 is an apocalyptic number.
It is an amenable number.
102122020101 is a deficient number, since it is larger than the sum of its proper divisors (47058293499).
102122020101 is a wasteful number, since it uses less digits than its factorization.
102122020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16989.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 102122020101 its reverse (101020221201), we get a palindrome (203142241302).
The spelling of 102122020101 in words is "one hundred two billion, one hundred twenty-two million, twenty thousand, one hundred one".
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