Base | Representation |
---|---|
bin | 100011111111011011… |
… | …111111111111111011 |
3 | 10200202020220001012211 |
4 | 203333123333333323 |
5 | 1113121142042400 |
6 | 25430422115551 |
7 | 2535444235132 |
oct | 437733777773 |
9 | 120666801184 |
10 | 38645268475 |
11 | 15431279210 |
12 | 75a627bbb7 |
13 | 384b4c3688 |
14 | 1c286c0919 |
15 | 1012ad4dba |
hex | 8ff6ffffb |
38645268475 has 12 divisors (see below), whose sum is σ = 52276509000. Its totient is φ = 28105649600.
The previous prime is 38645268457. The next prime is 38645268491. The reversal of 38645268475 is 57486254683.
It is not a de Polignac number, because 38645268475 - 235 = 4285530107 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70263850 + ... + 70264399.
It is an arithmetic number, because the mean of its divisors is an integer number (4356375750).
Almost surely, 238645268475 is an apocalyptic number.
38645268475 is a deficient number, since it is larger than the sum of its proper divisors (13631240525).
38645268475 is a wasteful number, since it uses less digits than its factorization.
38645268475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140528270 (or 140528265 counting only the distinct ones).
The product of its digits is 38707200, while the sum is 58.
The spelling of 38645268475 in words is "thirty-eight billion, six hundred forty-five million, two hundred sixty-eight thousand, four hundred seventy-five".
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