Base | Representation |
---|---|
bin | 100011111111010011… |
… | …111001110101111010 |
3 | 10200202002220012212120 |
4 | 203333103321311322 |
5 | 1113120121133411 |
6 | 25430304422110 |
7 | 2535420215355 |
oct | 437723716572 |
9 | 120662805776 |
10 | 38643146106 |
11 | 15430059694 |
12 | 75a5617936 |
13 | 384ac2c636 |
14 | 1c282cb29c |
15 | 1012816106 |
hex | 8ff4f9d7a |
38643146106 has 32 divisors (see below), whose sum is σ = 78947647488. Its totient is φ = 12604274160.
The previous prime is 38643146081. The next prime is 38643146111. The reversal of 38643146106 is 60164134683.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621231 + ... + 1644893.
It is an arithmetic number, because the mean of its divisors is an integer number (2467113984).
Almost surely, 238643146106 is an apocalyptic number.
38643146106 is an abundant number, since it is smaller than the sum of its proper divisors (40304501382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38643146106 is a wasteful number, since it uses less digits than its factorization.
38643146106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29506.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 38643146106 in words is "thirty-eight billion, six hundred forty-three million, one hundred forty-six thousand, one hundred six".
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