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3886253891 = 134738316607
BaseRepresentation
bin1110011110100011…
…1000011101000011
3101000211200011010022
43213220320131003
530424340111031
61441343524055
7165206420162
oct34750703503
911024604108
103886253891
111714764083
129055b962b
1349c1a7220
1428c1c53d9
1517b2a797b
hexe7a38743

3886253891 has 16 divisors (see below), whose sum is σ = 4285661184. Its totient is φ = 3501607584.

The previous prime is 3886253843. The next prime is 3886253923. The reversal of 3886253891 is 1983526883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3886253891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3886253801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225710 + ... + 242316.

It is an arithmetic number, because the mean of its divisors is an integer number (267853824).

Almost surely, 23886253891 is an apocalyptic number.

3886253891 is a deficient number, since it is larger than the sum of its proper divisors (399407293).

3886253891 is a wasteful number, since it uses less digits than its factorization.

3886253891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050.

The product of its digits is 2488320, while the sum is 53.

The square root of 3886253891 is about 62339.8258820154. The cubic root of 3886253891 is about 1572.2094051801.

The spelling of 3886253891 in words is "three billion, eight hundred eighty-six million, two hundred fifty-three thousand, eight hundred ninety-one".

Divisors: 1 13 47 383 611 4979 16607 18001 215891 234013 780529 6360481 10146877 82686253 298942607 3886253891