Base | Representation |
---|---|
bin | 1011010010000011011… |
… | …01110000110110101100 |
3 | 1101001120222001122011111 |
4 | 11221001231300312230 |
5 | 22322401242303033 |
6 | 454030031401404 |
7 | 40002213666040 |
oct | 5510155606654 |
9 | 1331528048144 |
10 | 387649572268 |
11 | 13a446094232 |
12 | 63167083264 |
13 | 2a72aa00a3a |
14 | 14a95c06020 |
15 | a13c5077cd |
hex | 5a41b70dac |
387649572268 has 48 divisors (see below), whose sum is σ = 781176585280. Its totient is φ = 164880728064.
The previous prime is 387649572259. The next prime is 387649572283. The reversal of 387649572268 is 862275946783.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910380 + ... + 2103532.
Almost surely, 2387649572268 is an apocalyptic number.
It is an amenable number.
387649572268 is an abundant number, since it is smaller than the sum of its proper divisors (393527013012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387649572268 is a wasteful number, since it uses less digits than its factorization.
387649572268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193706 (or 193704 counting only the distinct ones).
The product of its digits is 243855360, while the sum is 67.
The spelling of 387649572268 in words is "three hundred eighty-seven billion, six hundred forty-nine million, five hundred seventy-two thousand, two hundred sixty-eight".
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