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3869171712 = 213347317
BaseRepresentation
bin1110011010011110…
…1110000000000000
3100222122112021210000
43212213232000000
530411001443322
61435533440000
7164611263000
oct34647560000
910878467700
103869171712
111706056a7a
128bb940000
134987a5c23
14289c1a000
15179a313ac
hexe69ee000

3869171712 has 560 divisors, whose sum is σ = 14272869600. Its totient is φ = 1040449536.

The previous prime is 3869171707. The next prime is 3869171743. The reversal of 3869171712 is 2171719683.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 227598328 + ... + 227598344.

Almost surely, 23869171712 is an apocalyptic number.

3869171712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869171712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7136434800).

3869171712 is an abundant number, since it is smaller than the sum of its proper divisors (10403697888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869171712 is an frugal number, since it uses more digits than its factorization.

3869171712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 29 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 3869171712 is about 62202.6664380234. Note that the first 3 decimals coincide. The cubic root of 3869171712 is about 1569.9024527274.

The spelling of 3869171712 in words is "three billion, eight hundred sixty-nine million, one hundred seventy-one thousand, seven hundred twelve".