Base | Representation |
---|---|
bin | 100011011010001100… |
… | …010001011101010101 |
3 | 10122010201001212022012 |
4 | 203122030101131111 |
5 | 1110331204414233 |
6 | 25244420514005 |
7 | 2514115654160 |
oct | 433214213525 |
9 | 118121055265 |
10 | 38020388693 |
11 | 15140577841 |
12 | 7450b4b905 |
13 | 377bbc6521 |
14 | 1ba96dcad7 |
15 | ec7d00548 |
hex | 8da311755 |
38020388693 has 8 divisors (see below), whose sum is σ = 43454013888. Its totient is φ = 32587298784.
The previous prime is 38020388689. The next prime is 38020388713. The reversal of 38020388693 is 39688302083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38020388693 - 22 = 38020388689 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38020388893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32105 + ... + 277617.
It is an arithmetic number, because the mean of its divisors is an integer number (5431751736).
Almost surely, 238020388693 is an apocalyptic number.
It is an amenable number.
38020388693 is a deficient number, since it is larger than the sum of its proper divisors (5433625195).
38020388693 is a wasteful number, since it uses less digits than its factorization.
38020388693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267643.
The product of its (nonzero) digits is 1492992, while the sum is 50.
The spelling of 38020388693 in words is "thirty-eight billion, twenty million, three hundred eighty-eight thousand, six hundred ninety-three".
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