Base | Representation |
---|---|
bin | 11000001111010010… |
… | …01000000000011111 |
3 | 1020120220111010222100 |
4 | 30013221020000133 |
5 | 203122324414403 |
6 | 5551140220143 |
7 | 640322502261 |
oct | 140751100037 |
9 | 36526433870 |
10 | 13013123103 |
11 | 5578628aa2 |
12 | 263209a653 |
13 | 12c5017c56 |
14 | 8b63c3b31 |
15 | 5126952a3 |
hex | 307a4801f |
13013123103 has 48 divisors (see below), whose sum is σ = 20003802624. Its totient is φ = 8134948800.
The previous prime is 13013123099. The next prime is 13013123117. The reversal of 13013123103 is 30132131031.
It is a happy number.
It is not a de Polignac number, because 13013123103 - 22 = 13013123099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013123183) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2150400 + ... + 2156442.
It is an arithmetic number, because the mean of its divisors is an integer number (416745888).
Almost surely, 213013123103 is an apocalyptic number.
13013123103 is a deficient number, since it is larger than the sum of its proper divisors (6990679521).
13013123103 is a wasteful number, since it uses less digits than its factorization.
13013123103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6276 (or 6273 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 13013123103 its reverse (30132131031), we get a palindrome (43145254134).
The spelling of 13013123103 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, one hundred three".
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