Base | Representation |
---|---|
bin | 111011111110000… |
… | …1101100010101000 |
3 | 12012020110001100112 |
4 | 1313330031202220 |
5 | 13110120212213 |
6 | 531401553452 |
7 | 100603015400 |
oct | 16774154250 |
9 | 5166401315 |
10 | 2012272808 |
11 | 94296a387 |
12 | 481aa5888 |
13 | 260b83590 |
14 | 151371800 |
15 | bb9d8ea8 |
hex | 77f0d8a8 |
2012272808 has 96 divisors (see below), whose sum is σ = 4743567360. Its totient is φ = 793215360.
The previous prime is 2012272789. The next prime is 2012272811. The reversal of 2012272808 is 8082722102.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951253 + ... + 1952283.
It is an arithmetic number, because the mean of its divisors is an integer number (49412160).
Almost surely, 22012272808 is an apocalyptic number.
2012272808 is a gapful number since it is divisible by the number (28) 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 2012272808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371783680).
2012272808 is an abundant number, since it is smaller than the sum of its proper divisors (2731294552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012272808 is a wasteful number, since it uses less digits than its factorization.
2012272808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1447 (or 1436 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 2012272808 is about 44858.3638578136. The cubic root of 2012272808 is about 1262.4929245494.
The spelling of 2012272808 in words is "two billion, twelve million, two hundred seventy-two thousand, eight hundred eight".
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