Base | Representation |
---|---|
bin | 100011110101011111… |
… | …110110000001000001 |
3 | 10200022122002112100211 |
4 | 203311133312001001 |
5 | 1112300444112001 |
6 | 25402103514121 |
7 | 2531350613260 |
oct | 436537660101 |
9 | 120278075324 |
10 | 38478504001 |
11 | 15356126633 |
12 | 755a458941 |
13 | 3822aa4c82 |
14 | 1c104b05d7 |
15 | 1003143351 |
hex | 8f57f6041 |
38478504001 has 4 divisors (see below), whose sum is σ = 43975433152. Its totient is φ = 32981574852.
The previous prime is 38478503993. The next prime is 38478504007. The reversal of 38478504001 is 10040587483.
38478504001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10040587483 = 367 ⋅27358549.
It is a cyclic number.
It is not a de Polignac number, because 38478504001 - 23 = 38478503993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38478504007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748464565 + ... + 2748464578.
It is an arithmetic number, because the mean of its divisors is an integer number (10993858288).
Almost surely, 238478504001 is an apocalyptic number.
It is an amenable number.
38478504001 is a deficient number, since it is larger than the sum of its proper divisors (5496929151).
38478504001 is an equidigital number, since it uses as much as digits as its factorization.
38478504001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5496929150.
The product of its (nonzero) digits is 107520, while the sum is 40.
The spelling of 38478504001 in words is "thirty-eight billion, four hundred seventy-eight million, five hundred four thousand, one".
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