Base | Representation |
---|---|
bin | 101111100000001100… |
… | …0111001111100111111 |
3 | 100202022101120122021102 |
4 | 1133000120321330333 |
5 | 3132410033031421 |
6 | 114510315123315 |
7 | 10240644465605 |
oct | 1370030717477 |
9 | 322271518242 |
10 | 102012002111 |
11 | 3a299130068 |
12 | 1792b74353b |
13 | 98095c9a36 |
14 | 4d1a361875 |
15 | 29c0bbd60b |
hex | 17c0639f3f |
102012002111 has 2 divisors, whose sum is σ = 102012002112. Its totient is φ = 102012002110.
The previous prime is 102012002101. The next prime is 102012002129. The reversal of 102012002111 is 111200210201.
It is a weak prime.
It is an emirp because it is prime and its reverse (111200210201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102012002111 - 218 = 102011739967 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102012002092 and 102012002101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102012002101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006001055 + 51006001056.
It is an arithmetic number, because the mean of its divisors is an integer number (51006001056).
Almost surely, 2102012002111 is an apocalyptic number.
102012002111 is a deficient number, since it is larger than the sum of its proper divisors (1).
102012002111 is an equidigital number, since it uses as much as digits as its factorization.
102012002111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 102012002111 its reverse (111200210201), we get a palindrome (213212212312).
The spelling of 102012002111 in words is "one hundred two billion, twelve million, two thousand, one hundred eleven".
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