Base | Representation |
---|---|
bin | 11011111111101100011110… |
… | …100100010111101101101111 |
3 | 121010221120102222022021210100 |
4 | 123333230132210113231233 |
5 | 112114232122110401411 |
6 | 1113510312513042143 |
7 | 34635303634601130 |
oct | 3377543644275557 |
9 | 533846388267710 |
10 | 123124340325231 |
11 | 3625a8152a5653 |
12 | 119863a4556353 |
13 | 5391763411ccb |
14 | 225936d8d1c87 |
15 | e37b2edec456 |
hex | 6ffb1e917b6f |
123124340325231 has 24 divisors (see below), whose sum is σ = 203253324618240. Its totient is φ = 70356611740176.
The previous prime is 123124340325229. The next prime is 123124340325247. The reversal of 123124340325231 is 132523043421321.
123124340325231 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 243 + 403 + 2 + 5 + 2 + 3 + 1 = 666.
It is not a de Polignac number, because 123124340325231 - 21 = 123124340325229 is a prime.
It is a super-2 number, since 2×1231243403252312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123124340321231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30839710 + ... + 34602548.
It is an arithmetic number, because the mean of its divisors is an integer number (8468888525760).
Almost surely, 2123124340325231 is an apocalyptic number.
123124340325231 is a deficient number, since it is larger than the sum of its proper divisors (80128984293009).
123124340325231 is a wasteful number, since it uses less digits than its factorization.
123124340325231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4282235 (or 4282232 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 36.
Adding to 123124340325231 its reverse (132523043421321), we get a palindrome (255647383746552).
The spelling of 123124340325231 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, three hundred forty million, three hundred twenty-five thousand, two hundred thirty-one".
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