Base | Representation |
---|---|
bin | 1011100111111010… |
… | …1010100000101011 |
3 | 22001110020012012211 |
4 | 2321332222200223 |
5 | 22342233241021 |
6 | 1233340545551 |
7 | 140215236010 |
oct | 27176524053 |
9 | 8043205184 |
10 | 3120212011 |
11 | 1361307514 |
12 | 730b522b7 |
13 | 3a9583ac7 |
14 | 218579707 |
15 | 133ddc3e1 |
hex | b9faa82b |
3120212011 has 16 divisors (see below), whose sum is σ = 3778804224. Its totient is φ = 2515089024.
The previous prime is 3120212009. The next prime is 3120212021. The reversal of 3120212011 is 1102120213.
It is not a de Polignac number, because 3120212011 - 21 = 3120212009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3120211982 and 3120212000.
It is not an unprimeable number, because it can be changed into a prime (3120212021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144996 + ... + 165118.
It is an arithmetic number, because the mean of its divisors is an integer number (236175264).
Almost surely, 23120212011 is an apocalyptic number.
3120212011 is a deficient number, since it is larger than the sum of its proper divisors (658592213).
3120212011 is a wasteful number, since it uses less digits than its factorization.
3120212011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21450.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 3120212011 is about 55858.8579457189. The cubic root of 3120212011 is about 1461.2618119861.
Adding to 3120212011 its reverse (1102120213), we get a palindrome (4222332224).
The spelling of 3120212011 in words is "three billion, one hundred twenty million, two hundred twelve thousand, eleven".
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