Base | Representation |
---|---|
bin | 101000000100010000… |
… | …001010101111000111 |
3 | 11010001012122020222221 |
4 | 220010100022233013 |
5 | 1201101340120403 |
6 | 31432533433211 |
7 | 3052046431405 |
oct | 500420125707 |
9 | 133035566887 |
10 | 43021020103 |
11 | 17277276176 |
12 | 840779b807 |
13 | 4097c16619 |
14 | 21218c6475 |
15 | 11bbd2ddbd |
hex | a0440abc7 |
43021020103 has 2 divisors, whose sum is σ = 43021020104. Its totient is φ = 43021020102.
The previous prime is 43021020083. The next prime is 43021020127. The reversal of 43021020103 is 30102012034.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-43021020103 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (43021020803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21510510051 + 21510510052.
It is an arithmetic number, because the mean of its divisors is an integer number (21510510052).
Almost surely, 243021020103 is an apocalyptic number.
43021020103 is a deficient number, since it is larger than the sum of its proper divisors (1).
43021020103 is an equidigital number, since it uses as much as digits as its factorization.
43021020103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 43021020103 its reverse (30102012034), we get a palindrome (73123032137).
The spelling of 43021020103 in words is "forty-three billion, twenty-one million, twenty thousand, one hundred three".
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