Base | Representation |
---|---|
bin | 111001010001101101… |
… | …1101010111010000011 |
3 | 102202111011010102200100 |
4 | 1302203123222322003 |
5 | 4003401230233011 |
6 | 132301134453443 |
7 | 11613036311616 |
oct | 1624333527203 |
9 | 382434112610 |
10 | 123001024131 |
11 | 48189964a57 |
12 | 1ba08964283 |
13 | b7a2b69aab |
14 | 5d4bb3817d |
15 | 32ed69cd56 |
hex | 1ca36eae83 |
123001024131 has 48 divisors (see below), whose sum is σ = 182281881600. Its totient is φ = 79902066816.
The previous prime is 123001024123. The next prime is 123001024187. The reversal of 123001024131 is 131420100321.
It is not a de Polignac number, because 123001024131 - 23 = 123001024123 is a prime.
It is a super-2 number, since 2×1230010241312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123001024031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40686886 + ... + 40689908.
It is an arithmetic number, because the mean of its divisors is an integer number (3797539200).
Almost surely, 2123001024131 is an apocalyptic number.
123001024131 is a deficient number, since it is larger than the sum of its proper divisors (59280857469).
123001024131 is a wasteful number, since it uses less digits than its factorization.
123001024131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3840 (or 3837 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 123001024131 its reverse (131420100321), we get a palindrome (254421124452).
The spelling of 123001024131 in words is "one hundred twenty-three billion, one million, twenty-four thousand, one hundred thirty-one".
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