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3886695971 = 29729718367
BaseRepresentation
bin1110011110101010…
…0100011000100011
3101000212111121112122
43213222210120203
530424443232341
61441401214455
7165213241064
oct34752443043
911025447478
103886695971
111714a36234
1290579142b
1349c300502
1428c29c56b
1517b34394b
hexe7aa4623

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".

Divisors: 1 29 7297 18367 211613 532643 134023999 3886695971