Base | Representation |
---|---|
bin | 100011110101111110… |
… | …111001101101110000 |
3 | 10200100012102011120010 |
4 | 203311332321231300 |
5 | 1112310040124431 |
6 | 25402554214520 |
7 | 2531510042616 |
oct | 436576715560 |
9 | 120305364503 |
10 | 38486645616 |
11 | 1535a787541 |
12 | 7561124440 |
13 | 38246959b3 |
14 | 1c115cd6b6 |
15 | 1003c00846 |
hex | 8f5fb9b70 |
38486645616 has 40 divisors (see below), whose sum is σ = 99587705344. Its totient is φ = 12807737280.
The previous prime is 38486645611. The next prime is 38486645629. The reversal of 38486645616 is 61654668483.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38486645611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631330 + ... + 689601.
Almost surely, 238486645616 is an apocalyptic number.
It is an amenable number.
38486645616 is an abundant number, since it is smaller than the sum of its proper divisors (61101059728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38486645616 is a wasteful number, since it uses less digits than its factorization.
38486645616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1321549 (or 1321543 counting only the distinct ones).
The product of its digits is 19906560, while the sum is 57.
The spelling of 38486645616 in words is "thirty-eight billion, four hundred eighty-six million, six hundred forty-five thousand, six hundred sixteen".
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