Base | Representation |
---|---|
bin | 100101100100001111… |
… | …0100111001000001000 |
3 | 21201020020020212121120 |
4 | 1023020132213020020 |
5 | 2310204224112422 |
6 | 101021031435240 |
7 | 5554102105200 |
oct | 1131036471010 |
9 | 251206225546 |
10 | 80672879112 |
11 | 31238812121 |
12 | 13775225b20 |
13 | 77b8669837 |
14 | 3c94293400 |
15 | 21725d545c |
hex | 12c87a7208 |
80672879112 has 96 divisors (see below), whose sum is σ = 234878623200. Its totient is φ = 23022994176.
The previous prime is 80672879069. The next prime is 80672879137. The reversal of 80672879112 is 21197827608.
It is a super-2 number, since 2×806728791122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999564 + ... + 1077252.
It is an arithmetic number, because the mean of its divisors is an integer number (2446652325).
Almost surely, 280672879112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80672879112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117439311600).
80672879112 is an abundant number, since it is smaller than the sum of its proper divisors (154205744088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80672879112 is a wasteful number, since it uses less digits than its factorization.
80672879112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78595 (or 78584 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 51.
The spelling of 80672879112 in words is "eighty billion, six hundred seventy-two million, eight hundred seventy-nine thousand, one hundred twelve".
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