Base | Representation |
---|---|
bin | 1001000101001010011… |
… | …11101111000111100111 |
3 | 1002211100111212210202110 |
4 | 10202211033233013213 |
5 | 20102444030323421 |
6 | 355200241212103 |
7 | 31353620223111 |
oct | 4424517570747 |
9 | 1084314783673 |
10 | 312010011111 |
11 | 110360576417 |
12 | 50577631033 |
13 | 2356508a066 |
14 | 1115c2083b1 |
15 | 81b1c5aa76 |
hex | 48a53ef1e7 |
312010011111 has 64 divisors (see below), whose sum is σ = 459055973376. Its totient is φ = 187892812800.
The previous prime is 312010011083. The next prime is 312010011113. The reversal of 312010011111 is 111110010213.
It is not a de Polignac number, because 312010011111 - 210 = 312010010087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312010011113) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20613016 + ... + 20628146.
It is an arithmetic number, because the mean of its divisors is an integer number (7172749584).
Almost surely, 2312010011111 is an apocalyptic number.
312010011111 is a deficient number, since it is larger than the sum of its proper divisors (147045962265).
312010011111 is a wasteful number, since it uses less digits than its factorization.
312010011111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15432.
The product of its (nonzero) digits is 6, while the sum is 12.
Adding to 312010011111 its reverse (111110010213), we get a palindrome (423120021324).
The spelling of 312010011111 in words is "three hundred twelve billion, ten million, eleven thousand, one hundred eleven".
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