Base | Representation |
---|---|
bin | 111001010010111100… |
… | …1001111101100010101 |
3 | 102202121000212001121200 |
4 | 1302211321033230111 |
5 | 4003442314101123 |
6 | 132305212103113 |
7 | 11614050363201 |
oct | 1624571175425 |
9 | 382530761550 |
10 | 123042331413 |
11 | 48200208801 |
12 | 1ba1a764a99 |
13 | b7ab5a0681 |
14 | 5d5340bb01 |
15 | 330210c143 |
hex | 1ca5e4fb15 |
123042331413 has 12 divisors (see below), whose sum is σ = 178465274988. Its totient is φ = 81687853440.
The previous prime is 123042331387. The next prime is 123042331441. The reversal of 123042331413 is 314133240321.
It is a happy number.
123042331413 is a `hidden beast` number, since 1 + 230 + 423 + 3 + 1 + 4 + 1 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 72155092689 + 50887238724 = 268617^2 + 225582^2 .
It is not a de Polignac number, because 123042331413 - 225 = 123008776981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123042331453) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28361670 + ... + 28366007.
It is an arithmetic number, because the mean of its divisors is an integer number (14872106249).
Almost surely, 2123042331413 is an apocalyptic number.
It is an amenable number.
123042331413 is a deficient number, since it is larger than the sum of its proper divisors (55422943575).
123042331413 is a wasteful number, since it uses less digits than its factorization.
123042331413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56727924 (or 56727921 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 123042331413 its reverse (314133240321), we get a palindrome (437175571734).
The spelling of 123042331413 in words is "one hundred twenty-three billion, forty-two million, three hundred thirty-one thousand, four hundred thirteen".
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