Base | Representation |
---|---|
bin | 100011101111111100… |
… | …111001110011010100 |
3 | 10200002011000022210000 |
4 | 203233330321303110 |
5 | 1112103134132023 |
6 | 25344541331300 |
7 | 2526141004254 |
oct | 435774716324 |
9 | 120064008700 |
10 | 38385458388 |
11 | 15308655032 |
12 | 7533266b30 |
13 | 38097279b4 |
14 | 1c01dad964 |
15 | ee9db4243 |
hex | 8eff39cd4 |
38385458388 has 30 divisors (see below), whose sum is σ = 100347171386. Its totient is φ = 12795152688.
The previous prime is 38385458347. The next prime is 38385458411. The reversal of 38385458388 is 88385458383.
38385458388 is a `hidden beast` number, since 3 + 8 + 3 + 8 + 545 + 8 + 3 + 88 = 666.
It can be written as a sum of positive squares in only one way, i.e., 37018529604 + 1366928784 = 192402^2 + 36972^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 59236495 + ... + 59237142.
Almost surely, 238385458388 is an apocalyptic number.
It is an amenable number.
38385458388 is an abundant number, since it is smaller than the sum of its proper divisors (61961712998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38385458388 is a wasteful number, since it uses less digits than its factorization.
38385458388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118473653 (or 118473642 counting only the distinct ones).
The product of its digits is 88473600, while the sum is 63.
The spelling of 38385458388 in words is "thirty-eight billion, three hundred eighty-five million, four hundred fifty-eight thousand, three hundred eighty-eight".
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