Base | Representation |
---|---|
bin | 111001010101111001… |
… | …0011110101111010011 |
3 | 102202211220221012002020 |
4 | 1302223302132233103 |
5 | 4004143123040311 |
6 | 132323103422523 |
7 | 11616361053042 |
oct | 1625362365723 |
9 | 382756835066 |
10 | 123141221331 |
11 | 48251011207 |
12 | 1ba478b4a43 |
13 | b7c5c15b0b |
14 | 5d625d0559 |
15 | 330ab42c06 |
hex | 1cabc9ebd3 |
123141221331 has 8 divisors (see below), whose sum is σ = 164259350784. Its totient is φ = 82058619720.
The previous prime is 123141221317. The next prime is 123141221393. The reversal of 123141221331 is 133122141321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123141221331 - 25 = 123141221299 is a prime.
It is a super-2 number, since 2×1231412213312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123141221311) 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 7 ways as a sum of consecutive naturals, for example, 8873871 + ... + 8887736.
It is an arithmetic number, because the mean of its divisors is an integer number (20532418848).
Almost surely, 2123141221331 is an apocalyptic number.
123141221331 is a deficient number, since it is larger than the sum of its proper divisors (41118129453).
123141221331 is a wasteful number, since it uses less digits than its factorization.
123141221331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17763921.
The product of its digits is 864, while the sum is 24.
Adding to 123141221331 its reverse (133122141321), we get a palindrome (256263362652).
The spelling of 123141221331 in words is "one hundred twenty-three billion, one hundred forty-one million, two hundred twenty-one thousand, three hundred thirty-one".
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