Base | Representation |
---|---|
bin | 101111100101110101… |
… | …0010000111100101010 |
3 | 100202210120101220201112 |
4 | 1133023222100330222 |
5 | 3133301440231442 |
6 | 114541152150322 |
7 | 10245432014600 |
oct | 1371352207452 |
9 | 322716356645 |
10 | 102201102122 |
11 | 3a385948769 |
12 | 17982b383a2 |
13 | 9839838932 |
14 | 4d37507870 |
15 | 29d25c3082 |
hex | 17cba90f2a |
102201102122 has 12 divisors (see below), whose sum is σ = 178330494690. Its totient is φ = 43800472296.
The previous prime is 102201102121. The next prime is 102201102149. The reversal of 102201102122 is 221201102201.
102201102122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 86135793121 + 16065309001 = 293489^2 + 126749^2 .
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 102201102097 and 102201102106.
It is not an unprimeable number, because it can be changed into a prime (102201102121) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521434097 + ... + 521434292.
Almost surely, 2102201102122 is an apocalyptic number.
102201102122 is a deficient number, since it is larger than the sum of its proper divisors (76129392568).
102201102122 is a wasteful number, since it uses less digits than its factorization.
102201102122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042868405 (or 1042868398 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102201102122 its reverse (221201102201), we get a palindrome (323402204323).
The spelling of 102201102122 in words is "one hundred two billion, two hundred one million, one hundred two thousand, one hundred twenty-two".
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