Base | Representation |
---|---|
bin | 100100000010010010… |
… | …000101100010110101 |
3 | 10200212120201010110211 |
4 | 210002102011202311 |
5 | 1113220402021042 |
6 | 25435245145421 |
7 | 2536564041151 |
oct | 440222054265 |
9 | 120776633424 |
10 | 38693001397 |
11 | 15456210706 |
12 | 75ba25b271 |
13 | 3858366bcb |
14 | 1c30b88061 |
15 | 1016db3017 |
hex | 9024858b5 |
38693001397 has 8 divisors (see below), whose sum is σ = 39353472000. Its totient is φ = 38032686144.
The previous prime is 38693001353. The next prime is 38693001409. The reversal of 38693001397 is 79310039683.
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-38693001397 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38693001397.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38693001097) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535308 + ... + 603274.
It is an arithmetic number, because the mean of its divisors is an integer number (4919184000).
Almost surely, 238693001397 is an apocalyptic number.
It is an amenable number.
38693001397 is a deficient number, since it is larger than the sum of its proper divisors (660470603).
38693001397 is an equidigital number, since it uses as much as digits as its factorization.
38693001397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77675.
The product of its (nonzero) digits is 734832, while the sum is 49.
The spelling of 38693001397 in words is "thirty-eight billion, six hundred ninety-three million, one thousand, three hundred ninety-seven".
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