Base | Representation |
---|---|
bin | 1000100111001110… |
… | …0101001000000001 |
3 | 12222010102202202200 |
4 | 2021303211020001 |
5 | 14213333000001 |
6 | 1021230103413 |
7 | 111202450533 |
oct | 21163451001 |
9 | 5863382680 |
10 | 2312000001 |
11 | a87077903 |
12 | 54634ab69 |
13 | 2aacb714c |
14 | 17d0b3853 |
15 | d7e92086 |
hex | 89ce5201 |
2312000001 has 24 divisors (see below), whose sum is σ = 3383447496. Its totient is φ = 1521192960.
The previous prime is 2311999969. The next prime is 2312000023. The reversal of 2312000001 is 1000002132.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 200505600 + 2111494401 = 14160^2 + 45951^2 .
It is not a de Polignac number, because 2312000001 - 25 = 2311999969 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (2312005001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240381 + ... + 249813.
It is an arithmetic number, because the mean of its divisors is an integer number (140976979).
Almost surely, 22312000001 is an apocalyptic number.
It is an amenable number.
2312000001 is a deficient number, since it is larger than the sum of its proper divisors (1071447495).
2312000001 is a wasteful number, since it uses less digits than its factorization.
2312000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9793 (or 9790 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2312000001 is about 48083.2611310839. The cubic root of 2312000001 is about 1322.2978038822.
Adding to 2312000001 its reverse (1000002132), we get a palindrome (3312002133).
The spelling of 2312000001 in words is "two billion, three hundred twelve million, one", and thus it is an aban number.
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