Base | Representation |
---|---|
bin | 111001010100110000… |
… | …1000100000011001011 |
3 | 102202202021012110222222 |
4 | 1302221201010003023 |
5 | 4004103343214011 |
6 | 132315222404255 |
7 | 11615416044323 |
oct | 1625141040313 |
9 | 382667173888 |
10 | 123103101131 |
11 | 48231544a0a |
12 | 1ba36b9068b |
13 | b7bb059a9a |
14 | 5d5b50a283 |
15 | 3307612ddb |
hex | 1ca98440cb |
123103101131 has 8 divisors (see below), whose sum is σ = 126126057024. Its totient is φ = 120087422280.
The previous prime is 123103101127. The next prime is 123103101133. The reversal of 123103101131 is 131101301321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123103101131 - 22 = 123103101127 is a prime.
It is a super-2 number, since 2×1231031011312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123103101133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785005 + ... + 1852686.
It is an arithmetic number, because the mean of its divisors is an integer number (15765757128).
Almost surely, 2123103101131 is an apocalyptic number.
123103101131 is a deficient number, since it is larger than the sum of its proper divisors (3022955893).
123103101131 is an equidigital number, since it uses as much as digits as its factorization.
123103101131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3638521.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 123103101131 its reverse (131101301321), we get a palindrome (254204402452).
The spelling of 123103101131 in words is "one hundred twenty-three billion, one hundred three million, one hundred one thousand, one hundred thirty-one".
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