Base | Representation |
---|---|
bin | 111001111010000100… |
… | …0110011000101010010 |
3 | 102212222111221010102220 |
4 | 1303310020303011102 |
5 | 4014134342001003 |
6 | 133043343521510 |
7 | 11661430216614 |
oct | 1636410630522 |
9 | 385874833386 |
10 | 124355031378 |
11 | 4881419a706 |
12 | 201262b9296 |
13 | b95a534106 |
14 | 60398b6db4 |
15 | 337c4aa353 |
hex | 1cf4233152 |
124355031378 has 64 divisors (see below), whose sum is σ = 257098199040. Its totient is φ = 40069147392.
The previous prime is 124355031377. The next prime is 124355031473. The reversal of 124355031378 is 873130553421.
It is not an unprimeable number, because it can be changed into a prime (124355031377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22869276 + ... + 22874712.
It is an arithmetic number, because the mean of its divisors is an integer number (4017159360).
Almost surely, 2124355031378 is an apocalyptic number.
124355031378 is an abundant number, since it is smaller than the sum of its proper divisors (132743167662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124355031378 is a wasteful number, since it uses less digits than its factorization.
124355031378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6131.
The product of its (nonzero) digits is 302400, while the sum is 42.
Adding to 124355031378 its reverse (873130553421), we get a palindrome (997485584799).
The spelling of 124355031378 in words is "one hundred twenty-four billion, three hundred fifty-five million, thirty-one thousand, three hundred seventy-eight".
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