Base | Representation |
---|---|
bin | 101111111101111111… |
… | …1101101101001111111 |
3 | 100211220002022101011020 |
4 | 1133323333231221333 |
5 | 3141432034443403 |
6 | 115153441155223 |
7 | 10304506550202 |
oct | 1377377555177 |
9 | 324802271136 |
10 | 103012031103 |
11 | 3a761673703 |
12 | 17b6a62bb13 |
13 | 9938847177 |
14 | 4db30b9939 |
15 | 2a2d8a8453 |
hex | 17fbfeda7f |
103012031103 has 16 divisors (see below), whose sum is σ = 143354914560. Its totient is φ = 65673327104.
The previous prime is 103012031077. The next prime is 103012031107. The reversal of 103012031103 is 301130210301.
It is not a de Polignac number, because 103012031103 - 220 = 103010982527 is a prime.
It is a super-2 number, since 2×1030120311032 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103012031107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121900 + ... + 469982.
It is an arithmetic number, because the mean of its divisors is an integer number (8959682160).
Almost surely, 2103012031103 is an apocalyptic number.
103012031103 is a deficient number, since it is larger than the sum of its proper divisors (40342883457).
103012031103 is a wasteful number, since it uses less digits than its factorization.
103012031103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352398.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 103012031103 its reverse (301130210301), we get a palindrome (404142241404).
The spelling of 103012031103 in words is "one hundred three billion, twelve million, thirty-one thousand, one hundred three".
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