Base | Representation |
---|---|
bin | 101100001001101100110010… |
… | …1111110001111110001110011 |
3 | 1212221001222020210212002011111 |
4 | 1120103121211332033301303 |
5 | 401400402311333432113 |
6 | 3453550405314054151 |
7 | 144542113441206223 |
oct | 13023314576176163 |
9 | 1787058223762144 |
10 | 388361243655283 |
11 | 102820095539838 |
12 | 3768301687a357 |
13 | 13891400c84962 |
14 | 6bc8ada8b6083 |
15 | 2ed72793d013d |
hex | 1613665f8fc73 |
388361243655283 has 8 divisors (see below), whose sum is σ = 392024149842528. Its totient is φ = 384702303801984.
The previous prime is 388361243655247. The next prime is 388361243655311. The reversal of 388361243655283 is 382556342163883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-388361243655283 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388361243655683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991386735 + ... + 991778392.
It is an arithmetic number, because the mean of its divisors is an integer number (49003018730316).
Almost surely, 2388361243655283 is an apocalyptic number.
388361243655283 is a deficient number, since it is larger than the sum of its proper divisors (3662906187245).
388361243655283 is a wasteful number, since it uses less digits than its factorization.
388361243655283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1983166973.
The product of its digits is 597196800, while the sum is 67.
The spelling of 388361243655283 in words is "three hundred eighty-eight trillion, three hundred sixty-one billion, two hundred forty-three million, six hundred fifty-five thousand, two hundred eighty-three".
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