Search a number
-
+
3158216808 = 233131592367
BaseRepresentation
bin1011110000111110…
…1001000001101000
322011002202000222220
42330033221001220
522432000414213
61241215314040
7141156254115
oct27417510150
98132660886
103158216808
11138080503a
1274181b920
133b43cc456
1421d62d90c
151373e7e23
hexbc3e9068

3158216808 has 16 divisors (see below), whose sum is σ = 7895542080. Its totient is φ = 1052738928.

The previous prime is 3158216801. The next prime is 3158216813. The reversal of 3158216808 is 8086128513.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3158216808.

It is not an unprimeable number, because it can be changed into a prime (3158216801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65796160 + ... + 65796207.

It is an arithmetic number, because the mean of its divisors is an integer number (493471380).

Almost surely, 23158216808 is an apocalyptic number.

It is an amenable number.

3158216808 is an abundant number, since it is smaller than the sum of its proper divisors (4737325272).

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

3158216808 is a wasteful number, since it uses less digits than its factorization.

3158216808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131592376 (or 131592372 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 3158216808 is about 56198.0142709687. The cubic root of 3158216808 is about 1467.1707049521.

The spelling of 3158216808 in words is "three billion, one hundred fifty-eight million, two hundred sixteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 131592367 263184734 394777101 526369468 789554202 1052738936 1579108404 3158216808