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80211211208 = 2310199271301
BaseRepresentation
bin100101010110011110…
…1011111001111001000
321200001001112201022022
41022230331133033020
52303233032224313
6100503140344012
75536465021502
oct1125475371710
9250031481268
1080211211208
11310211571a7
12136666a5008
137743b1606b
143c4cc38d72
152146cdec08
hex12acf5f3c8

80211211208 has 16 divisors (see below), whose sum is σ = 151885092060. Its totient is φ = 39708520000.

The previous prime is 80211211181. The next prime is 80211211217.

80211211208 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 72467563204 + 7743648004 = 269198^2 + 87998^2 .

It is a super-3 number, since 3×802112112083 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49634843 + ... + 49636458.

Almost surely, 280211211208 is an apocalyptic number.

It is an amenable number.

80211211208 is a deficient number, since it is larger than the sum of its proper divisors (71673880852).

80211211208 is a wasteful number, since it uses less digits than its factorization.

80211211208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99271408 (or 99271404 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The spelling of 80211211208 in words is "eighty billion, two hundred eleven million, two hundred eleven thousand, two hundred eight".

Divisors: 1 2 4 8 101 202 404 808 99271301 198542602 397085204 794170408 10026401401 20052802802 40105605604 80211211208