Base | Representation |
---|---|
bin | 101111100010111000… |
… | …0010000100011111111 |
3 | 100202112122221112001001 |
4 | 1133011300100203333 |
5 | 3133101103310421 |
6 | 114523252231131 |
7 | 10243116523603 |
oct | 1370560204377 |
9 | 322478845031 |
10 | 102102010111 |
11 | 3a334a17442 |
12 | 1795590b4a7 |
13 | 98221524ca |
14 | 4d282b1503 |
15 | 29c8a4c691 |
hex | 17c5c108ff |
102102010111 has 8 divisors (see below), whose sum is σ = 102244014800. Its totient is φ = 101960052480.
The previous prime is 102102010061. The next prime is 102102010123. The reversal of 102102010111 is 111010201201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102102010111 - 215 = 102101977343 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102010181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7430095 + ... + 7443823.
It is an arithmetic number, because the mean of its divisors is an integer number (12780501850).
Almost surely, 2102102010111 is an apocalyptic number.
102102010111 is a deficient number, since it is larger than the sum of its proper divisors (142004689).
102102010111 is an equidigital number, since it uses as much as digits as its factorization.
102102010111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23529.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 102102010111 its reverse (111010201201), we get a palindrome (213112211312).
The spelling of 102102010111 in words is "one hundred two billion, one hundred two million, ten thousand, one hundred eleven".
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