Base | Representation |
---|---|
bin | 10010110001101001… |
… | …010110111110011011 |
3 | 1221001000010020220210 |
4 | 102301221112332123 |
5 | 312242012402202 |
6 | 13132252422203 |
7 | 1312406352642 |
oct | 226151267633 |
9 | 57030106823 |
10 | 20160278427 |
11 | 8605a51633 |
12 | 3aa7777963 |
13 | 1b93965043 |
14 | d936c8359 |
15 | 7ced7ac6c |
hex | 4b1a56f9b |
20160278427 has 8 divisors (see below), whose sum is σ = 28461569616. Its totient is φ = 12649586432.
The previous prime is 20160278399. The next prime is 20160278503. The reversal of 20160278427 is 72487206102.
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 20160278427 - 214 = 20160262043 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20160298427) 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, 197649738 + ... + 197649839.
It is an arithmetic number, because the mean of its divisors is an integer number (3557696202).
Almost surely, 220160278427 is an apocalyptic number.
20160278427 is a deficient number, since it is larger than the sum of its proper divisors (8301291189).
20160278427 is a wasteful number, since it uses less digits than its factorization.
20160278427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395299597.
The product of its (nonzero) digits is 75264, while the sum is 39.
The spelling of 20160278427 in words is "twenty billion, one hundred sixty million, two hundred seventy-eight thousand, four hundred twenty-seven".
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