Base | Representation |
---|---|
bin | 10001101001101000011100… |
… | …10000010011111001010100 |
3 | 12002102120100112122021100111 |
4 | 20310310032100103321110 |
5 | 20041411240301021042 |
6 | 214314501313452404 |
7 | 11114131412431510 |
oct | 1064641620237124 |
9 | 162376315567314 |
10 | 38813858610772 |
11 | 11404957346413 |
12 | 442a476871104 |
13 | 188719221617b |
14 | 98285a781140 |
15 | 474986a36517 |
hex | 234d0e413e54 |
38813858610772 has 96 divisors (see below), whose sum is σ = 78764217235200. Its totient is φ = 16392543989760.
The previous prime is 38813858610757. The next prime is 38813858610829. The reversal of 38813858610772 is 27701685831883.
It is a junction number, because it is equal to n+sod(n) for n = 38813858610698 and 38813858610707.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939804979 + ... + 939846277.
It is an arithmetic number, because the mean of its divisors is an integer number (820460596200).
Almost surely, 238813858610772 is an apocalyptic number.
It is an amenable number.
38813858610772 is an abundant number, since it is smaller than the sum of its proper divisors (39950358624428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38813858610772 is a wasteful number, since it uses less digits than its factorization.
38813858610772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42881 (or 42879 counting only the distinct ones).
The product of its (nonzero) digits is 108380160, while the sum is 67.
The spelling of 38813858610772 in words is "thirty-eight trillion, eight hundred thirteen billion, eight hundred fifty-eight million, six hundred ten thousand, seven hundred seventy-two".
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