Base | Representation |
---|---|
bin | 11000011100100010… |
… | …00000010000111010 |
3 | 1020212122120111022100 |
4 | 30032101000100322 |
5 | 203334301143232 |
6 | 10010150004230 |
7 | 643142126445 |
oct | 141621002072 |
9 | 36778514270 |
10 | 13124240442 |
11 | 5625323105 |
12 | 2663346676 |
13 | 1312051a61 |
14 | 8c706a65c |
15 | 51c2e3c7c |
hex | 30e44043a |
13124240442 has 48 divisors (see below), whose sum is σ = 29201185728. Its totient is φ = 4257731520.
The previous prime is 13124240387. The next prime is 13124240461. The reversal of 13124240442 is 24404242131.
13124240442 is a `hidden beast` number, since 13 + 1 + 242 + 404 + 4 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187323 + ... + 247665.
It is an arithmetic number, because the mean of its divisors is an integer number (608358036).
Almost surely, 213124240442 is an apocalyptic number.
13124240442 is an abundant number, since it is smaller than the sum of its proper divisors (16076945286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124240442 is a wasteful number, since it uses less digits than its factorization.
13124240442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60675 (or 60672 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 13124240442 its reverse (24404242131), we get a palindrome (37528482573).
The spelling of 13124240442 in words is "thirteen billion, one hundred twenty-four million, two hundred forty thousand, four hundred forty-two".
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