Base | Representation |
---|---|
bin | 101111100000001100… |
… | …1010110110000100111 |
3 | 100202022101210122010111 |
4 | 1133000121112300213 |
5 | 3132410100320403 |
6 | 114510321433451 |
7 | 10240645466605 |
oct | 1370031266047 |
9 | 322271718114 |
10 | 102012120103 |
11 | 3a299200783 |
12 | 1792b79b887 |
13 | 980963b65a |
14 | 4d1a392875 |
15 | 29c0be356d |
hex | 17c0656c27 |
102012120103 has 2 divisors, whose sum is σ = 102012120104. Its totient is φ = 102012120102.
The previous prime is 102012120101. The next prime is 102012120149. The reversal of 102012120103 is 301021210201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 102012120103 - 21 = 102012120101 is a prime.
Together with 102012120101, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102012120101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006060051 + 51006060052.
It is an arithmetic number, because the mean of its divisors is an integer number (51006060052).
Almost surely, 2102012120103 is an apocalyptic number.
102012120103 is a deficient number, since it is larger than the sum of its proper divisors (1).
102012120103 is an equidigital number, since it uses as much as digits as its factorization.
102012120103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 102012120103 its reverse (301021210201), we get a palindrome (403033330304).
The spelling of 102012120103 in words is "one hundred two billion, twelve million, one hundred twenty thousand, one hundred three".
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