Base | Representation |
---|---|
bin | 1011001101001010000… |
… | …00001110010101000000 |
3 | 1100210210201210021022021 |
4 | 11212211000032111000 |
5 | 22302010204414142 |
6 | 452513111051224 |
7 | 36550110206533 |
oct | 5464500162500 |
9 | 1323721707267 |
10 | 385020388672 |
11 | 139316a76727 |
12 | 62752670b14 |
13 | 2a3cc0b05ba |
14 | 148c6968a1a |
15 | a0367b0267 |
hex | 59a500e540 |
385020388672 has 14 divisors (see below), whose sum is σ = 764024833898. Its totient is φ = 192510194304.
The previous prime is 385020388663. The next prime is 385020388673. The reversal of 385020388672 is 276883020583.
It can be written as a sum of positive squares in only one way, i.e., 365570181376 + 19450207296 = 604624^2 + 139464^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385020388673) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3007971723 + ... + 3007971850.
Almost surely, 2385020388672 is an apocalyptic number.
385020388672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
385020388672 is a deficient number, since it is larger than the sum of its proper divisors (379004445226).
385020388672 is an equidigital number, since it uses as much as digits as its factorization.
385020388672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6015943585 (or 6015943575 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 52.
The spelling of 385020388672 in words is "three hundred eighty-five billion, twenty million, three hundred eighty-eight thousand, six hundred seventy-two".
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