Base | Representation |
---|---|
bin | 10001100101101100001001… |
… | …00000010100110010011100 |
3 | 12001221121201110002002010010 |
4 | 20302312010200110302130 |
5 | 20032201332303113443 |
6 | 214132340250043220 |
7 | 11101264616521641 |
oct | 1062660440246234 |
9 | 161847643062103 |
10 | 38678403566748 |
11 | 11362467518a40 |
12 | 4408173119510 |
13 | 187748613b24a |
14 | 97a08aa01dc8 |
15 | 4711a9d33733 |
hex | 232d84814c9c |
38678403566748 has 24 divisors (see below), whose sum is σ = 98454118170240. Its totient is φ = 11720728353520.
The previous prime is 38678403566723. The next prime is 38678403566807. The reversal of 38678403566748 is 84766530487683.
It is a self number, because there is not a number n which added to its sum of digits gives 38678403566748.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146509104288 + ... + 146509104551.
It is an arithmetic number, because the mean of its divisors is an integer number (4102254923760).
Almost surely, 238678403566748 is an apocalyptic number.
It is an amenable number.
38678403566748 is an abundant number, since it is smaller than the sum of its proper divisors (59775714603492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38678403566748 is a wasteful number, since it uses less digits than its factorization.
38678403566748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293018208857 (or 293018208855 counting only the distinct ones).
The product of its (nonzero) digits is 3901685760, while the sum is 75.
The spelling of 38678403566748 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred sixty-six thousand, seven hundred forty-eight".
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