Base | Representation |
---|---|
bin | 101111111110010000… |
… | …0000010010000101001 |
3 | 100211220200020211221010 |
4 | 1133330200002100221 |
5 | 3141441222112410 |
6 | 115154342534133 |
7 | 10304641556631 |
oct | 1377440022051 |
9 | 324820224833 |
10 | 103020504105 |
11 | 3a766430592 |
12 | 17b71437349 |
13 | 993a52298c |
14 | 4db42836c1 |
15 | 2a2e4cdc20 |
hex | 17fc802429 |
103020504105 has 16 divisors (see below), whose sum is σ = 173508217920. Its totient is φ = 52052465088.
The previous prime is 103020504079. The next prime is 103020504109. The reversal of 103020504105 is 501405020301.
It is not a de Polignac number, because 103020504105 - 220 = 103019455529 is a prime.
It is a super-2 number, since 2×1030205041052 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (103020504109) 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, 180737442 + ... + 180738011.
It is an arithmetic number, because the mean of its divisors is an integer number (10844263620).
Almost surely, 2103020504105 is an apocalyptic number.
103020504105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103020504105 is a deficient number, since it is larger than the sum of its proper divisors (70487713815).
103020504105 is a wasteful number, since it uses less digits than its factorization.
103020504105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361475480.
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 103020504105 its reverse (501405020301), we get a palindrome (604425524406).
The spelling of 103020504105 in words is "one hundred three billion, twenty million, five hundred four thousand, one hundred five".
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