Base | Representation |
---|---|
bin | 100011111010011100… |
… | …010101000100110100 |
3 | 10200112102012120120100 |
4 | 203322130111010310 |
5 | 1112433213444344 |
6 | 25414230034100 |
7 | 2533406035032 |
oct | 437234250464 |
9 | 120472176510 |
10 | 38561468724 |
11 | 15398a42219 |
12 | 75821a8930 |
13 | 383703291c |
14 | 1c1b509552 |
15 | 100a580569 |
hex | 8fa715134 |
38561468724 has 72 divisors (see below), whose sum is σ = 98409758720. Its totient is φ = 12730882752.
The previous prime is 38561468723. The next prime is 38561468741. The reversal of 38561468724 is 42786416583.
It is a happy number.
38561468724 is a `hidden beast` number, since 3 + 8 + 561 + 4 + 6 + 8 + 72 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38561468723) 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 23 ways as a sum of consecutive naturals, for example, 2795757 + ... + 2809515.
Almost surely, 238561468724 is an apocalyptic number.
It is an amenable number.
38561468724 is an abundant number, since it is smaller than the sum of its proper divisors (59848289996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38561468724 is a wasteful number, since it uses less digits than its factorization.
38561468724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14509 (or 14504 counting only the distinct ones).
The product of its digits is 7741440, while the sum is 54.
The spelling of 38561468724 in words is "thirty-eight billion, five hundred sixty-one million, four hundred sixty-eight thousand, seven hundred twenty-four".
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