Base | Representation |
---|---|
bin | 111011111100010… |
… | …0011000010110110 |
3 | 12012011122020210112 |
4 | 1313320203002312 |
5 | 13104343443220 |
6 | 531325223022 |
7 | 100561605200 |
oct | 16770430266 |
9 | 5164566715 |
10 | 2011312310 |
11 | 942373787 |
12 | 481701a72 |
13 | 260908337 |
14 | 1511a1770 |
15 | bb8995c5 |
hex | 77e230b6 |
2011312310 has 48 divisors (see below), whose sum is σ = 4215727296. Its totient is φ = 688891392.
The previous prime is 2011312307. The next prime is 2011312319. The reversal of 2011312310 is 132131102.
It is a super-2 number, since 2×20113123102 = 8090754416715072200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2011312319) by changing a digit.
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, 774374 + ... + 776966.
It is an arithmetic number, because the mean of its divisors is an integer number (87827652).
Almost surely, 22011312310 is an apocalyptic number.
2011312310 is an abundant number, since it is smaller than the sum of its proper divisors (2204414986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2011312310 is a wasteful number, since it uses less digits than its factorization.
2011312310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4197 (or 4190 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2011312310 is about 44847.6566834879. The cubic root of 2011312310 is about 1262.2920215520.
Adding to 2011312310 its reverse (132131102), we get a palindrome (2143443412).
It can be divided in two parts, 20113 and 12310, that added together give a palindrome (32423).
The spelling of 2011312310 in words is "two billion, eleven million, three hundred twelve thousand, three hundred ten".
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