Base | Representation |
---|---|
bin | 111110111011000… |
… | …0000100110000100 |
3 | 12110010210200010112 |
4 | 1331312000212010 |
5 | 13310443411322 |
6 | 545300412152 |
7 | 103214561234 |
oct | 17566004604 |
9 | 5403720115 |
10 | 2111310212 |
11 | 993863680 |
12 | 4ab0a7058 |
13 | 27854abab |
14 | 160591cc4 |
15 | c554d5e2 |
hex | 7dd80984 |
2111310212 has 12 divisors (see below), whose sum is σ = 4030683216. Its totient is φ = 959686440.
The previous prime is 2111310203. The next prime is 2111310217. The reversal of 2111310212 is 2120131112.
It is a super-2 number, since 2×21113102122 = 8915261622590969888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2111310217) 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, 23992118 + ... + 23992205.
It is an arithmetic number, because the mean of its divisors is an integer number (335890268).
Almost surely, 22111310212 is an apocalyptic number.
2111310212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2111310212 is a deficient number, since it is larger than the sum of its proper divisors (1919373004).
2111310212 is a wasteful number, since it uses less digits than its factorization.
2111310212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47984338 (or 47984336 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 2111310212 is about 45948.9957670459. The cubic root of 2111310212 is about 1282.8740375787.
Adding to 2111310212 its reverse (2120131112), we get a palindrome (4231441324).
Subtracting 2111310212 from its reverse (2120131112), we obtain a square (8820900 = 29702).
The spelling of 2111310212 in words is "two billion, one hundred eleven million, three hundred ten thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •