Base | Representation |
---|---|
bin | 1110101011001… |
… | …10011111100001 |
3 | 22120122021211211 |
4 | 13111212133201 |
5 | 223003300301 |
6 | 20114310121 |
7 | 3023234314 |
oct | 725463741 |
9 | 276567754 |
10 | 123103201 |
11 | 63541291 |
12 | 35288341 |
13 | 1c672540 |
14 | 124c697b |
15 | ac1a051 |
hex | 75667e1 |
123103201 has 16 divisors (see below), whose sum is σ = 137507328. Its totient is φ = 109440000.
The previous prime is 123103163. The next prime is 123103207. The reversal of 123103201 is 102301321.
It is a cyclic number.
It is not a de Polignac number, because 123103201 - 27 = 123103073 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123103207) 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, 100545 + ... + 101761.
It is an arithmetic number, because the mean of its divisors is an integer number (8594208).
Almost surely, 2123103201 is an apocalyptic number.
It is an amenable number.
123103201 is a deficient number, since it is larger than the sum of its proper divisors (14404127).
123103201 is a wasteful number, since it uses less digits than its factorization.
123103201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 123103201 is about 11095.1881912836. The cubic root of 123103201 is about 497.4580333783.
Adding to 123103201 its reverse (102301321), we get a palindrome (225404522).
The spelling of 123103201 in words is "one hundred twenty-three million, one hundred three thousand, two hundred one".
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