Base | Representation |
---|---|
bin | 100011111111011011… |
… | …111111111111110100 |
3 | 10200202020220001012120 |
4 | 203333123333333310 |
5 | 1113121142042333 |
6 | 25430422115540 |
7 | 2535444235122 |
oct | 437733777764 |
9 | 120666801176 |
10 | 38645268468 |
11 | 15431279204 |
12 | 75a627bbb0 |
13 | 384b4c3681 |
14 | 1c286c0912 |
15 | 1012ad4db3 |
hex | 8ff6ffff4 |
38645268468 has 12 divisors (see below), whose sum is σ = 90172293120. Its totient is φ = 12881756152.
The previous prime is 38645268457. The next prime is 38645268491. The reversal of 38645268468 is 86486254683.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610219508 + ... + 1610219531.
It is an arithmetic number, because the mean of its divisors is an integer number (7514357760).
Almost surely, 238645268468 is an apocalyptic number.
It is an amenable number.
38645268468 is an abundant number, since it is smaller than the sum of its proper divisors (51527024652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38645268468 is a wasteful number, since it uses less digits than its factorization.
38645268468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3220439046 (or 3220439044 counting only the distinct ones).
The product of its digits is 53084160, while the sum is 60.
The spelling of 38645268468 in words is "thirty-eight billion, six hundred forty-five million, two hundred sixty-eight thousand, four hundred sixty-eight".
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