Base | Representation |
---|---|
bin | 111001010100111110… |
… | …0100010010111111111 |
3 | 102202202202202101102102 |
4 | 1302221330202113333 |
5 | 4004112214200411 |
6 | 132320041015315 |
7 | 11615534211566 |
oct | 1625174422777 |
9 | 382682671372 |
10 | 123110303231 |
11 | 48235613a63 |
12 | 1ba3948453b |
13 | b7bc6abc96 |
14 | 5d5c462bdd |
15 | 3308086d3b |
hex | 1ca9f225ff |
123110303231 has 32 divisors (see below), whose sum is σ = 133371463680. Its totient is φ = 113211426816.
The previous prime is 123110303221. The next prime is 123110303249. The reversal of 123110303231 is 132303011321.
It is a cyclic number.
It is not a de Polignac number, because 123110303231 - 222 = 123106108927 is a prime.
It is a super-2 number, since 2×1231103032312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123110303221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202817330 + ... + 202817936.
It is an arithmetic number, because the mean of its divisors is an integer number (4167858240).
Almost surely, 2123110303231 is an apocalyptic number.
123110303231 is a deficient number, since it is larger than the sum of its proper divisors (10261160449).
123110303231 is a wasteful number, since it uses less digits than its factorization.
123110303231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 123110303231 its reverse (132303011321), we get a palindrome (255413314552).
The spelling of 123110303231 in words is "one hundred twenty-three billion, one hundred ten million, three hundred three thousand, two hundred thirty-one".
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