Base | Representation |
---|---|
bin | 1110011110101010… |
… | …0100011000100011 |
3 | 101000212111121112122 |
4 | 3213222210120203 |
5 | 30424443232341 |
6 | 1441401214455 |
7 | 165213241064 |
oct | 34752443043 |
9 | 11025447478 |
10 | 3886695971 |
11 | 1714a36234 |
12 | 90579142b |
13 | 49c300502 |
14 | 28c29c56b |
15 | 17b34394b |
hex | e7aa4623 |
3886695971 has 8 divisors (see below), whose sum is σ = 4021489920. Its totient is φ = 3751953408.
The previous prime is 3886695961. The next prime is 3886696001. The reversal of 3886695971 is 1795966883.
It is a happy number.
3886695971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 3886695971 - 218 = 3886433827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3886695961) 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, 202430 + ... + 220796.
It is an arithmetic number, because the mean of its divisors is an integer number (502686240).
Almost surely, 23886695971 is an apocalyptic number.
3886695971 is a deficient number, since it is larger than the sum of its proper divisors (134793949).
3886695971 is a wasteful number, since it uses less digits than its factorization.
3886695971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25693.
The product of its digits is 19595520, while the sum is 62.
The square root of 3886695971 is about 62343.3715081243. The cubic root of 3886695971 is about 1572.2690183706.
The spelling of 3886695971 in words is "three billion, eight hundred eighty-six million, six hundred ninety-five thousand, nine hundred seventy-one".
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