Base | Representation |
---|---|
bin | 1001000101010110100… |
… | …00111111010101111001 |
3 | 1002211121112220201120211 |
4 | 10202223100333111321 |
5 | 20103200404044001 |
6 | 355214245551121 |
7 | 31356254516110 |
oct | 4425320772571 |
9 | 1084545821524 |
10 | 312111003001 |
11 | 110402585096 |
12 | 505a54154a1 |
13 | 2357cc8a185 |
14 | 1116b7b6c77 |
15 | 81baa59351 |
hex | 48ab43f579 |
312111003001 has 16 divisors (see below), whose sum is σ = 368437690368. Its totient is φ = 258730088400.
The previous prime is 312111002963. The next prime is 312111003013. The reversal of 312111003001 is 100300111213.
It is not a de Polignac number, because 312111003001 - 27 = 312111002873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312111003041) 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, 110785 + ... + 797806.
It is an arithmetic number, because the mean of its divisors is an integer number (23027355648).
Almost surely, 2312111003001 is an apocalyptic number.
312111003001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
312111003001 is a deficient number, since it is larger than the sum of its proper divisors (56326687367).
312111003001 is a wasteful number, since it uses less digits than its factorization.
312111003001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 910212.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 312111003001 its reverse (100300111213), we get a palindrome (412411114214).
The spelling of 312111003001 in words is "three hundred twelve billion, one hundred eleven million, three thousand, one".
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