Base | Representation |
---|---|
bin | 10010100110001… |
… | …110010100010001 |
3 | 210202002202020222 |
4 | 102212032110101 |
5 | 1114333310001 |
6 | 50543242425 |
7 | 10506020102 |
oct | 2246162421 |
9 | 722082228 |
10 | 312010001 |
11 | 150137806 |
12 | 885a9415 |
13 | 4c844504 |
14 | 2d61c3a9 |
15 | 1c5d261b |
hex | 1298e511 |
312010001 has 4 divisors (see below), whose sum is σ = 328431600. Its totient is φ = 295588404.
The previous prime is 312009977. The next prime is 312010037. The reversal of 312010001 is 100010213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100010213 = 1237 ⋅80849.
It is a cyclic number.
It is not a de Polignac number, because 312010001 - 218 = 311747857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312010051) 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, 8210771 + ... + 8210808.
It is an arithmetic number, because the mean of its divisors is an integer number (82107900).
Almost surely, 2312010001 is an apocalyptic number.
It is an amenable number.
312010001 is a deficient number, since it is larger than the sum of its proper divisors (16421599).
312010001 is a wasteful number, since it uses less digits than its factorization.
312010001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16421598.
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 312010001 is about 17663.8048279526. The cubic root of 312010001 is about 678.2495354283.
Adding to 312010001 its reverse (100010213), we get a palindrome (412020214).
The spelling of 312010001 in words is "three hundred twelve million, ten thousand, one".
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