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3781984673 = 47271296929
BaseRepresentation
bin1110000101101100…
…1000000110100001
3100202120110201122102
43201123020012201
530221142002143
61423141020145
7162502224245
oct34133100641
910676421572
103781984673
111670917075
128966b4655
134836ca46c
1427c402425
1517205d0b8
hexe16c81a1

3781984673 has 8 divisors (see below), whose sum is σ = 3876718080. Its totient is φ = 3687845760.

The previous prime is 3781984669. The next prime is 3781984709. The reversal of 3781984673 is 3764891873.

3781984673 is digitally balanced in base 3, 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 3781984673 - 22 = 3781984669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781984573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135728 + ... + 161201.

It is an arithmetic number, because the mean of its divisors is an integer number (484589760).

Almost surely, 23781984673 is an apocalyptic number.

It is an amenable number.

3781984673 is a deficient number, since it is larger than the sum of its proper divisors (94733407).

3781984673 is a wasteful number, since it uses less digits than its factorization.

3781984673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297247.

The product of its digits is 6096384, while the sum is 56.

The square root of 3781984673 is about 61497.8428320864. The cubic root of 3781984673 is about 1558.0208125598.

The spelling of 3781984673 in words is "three billion, seven hundred eighty-one million, nine hundred eighty-four thousand, six hundred seventy-three".

Divisors: 1 47 271 12737 296929 13955663 80467759 3781984673