Base | Representation |
---|---|
bin | 1000100110111111… |
… | …0100000000110001 |
3 | 12222001120121000220 |
4 | 2021233310000301 |
5 | 14213104344101 |
6 | 1021153003253 |
7 | 111161165325 |
oct | 21157640061 |
9 | 5861517026 |
10 | 2311012401 |
11 | a86562905 |
12 | 545b53529 |
13 | 2aaa2c779 |
14 | 17ccd7985 |
15 | d7d49636 |
hex | 89bf4031 |
2311012401 has 4 divisors (see below), whose sum is σ = 3081349872. Its totient is φ = 1540674932.
The previous prime is 2311012399. The next prime is 2311012421. The reversal of 2311012401 is 1042101132.
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.
It is a cyclic number.
It is not a de Polignac number, because 2311012401 - 21 = 2311012399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2311012421) 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, 385168731 + ... + 385168736.
It is an arithmetic number, because the mean of its divisors is an integer number (770337468).
Almost surely, 22311012401 is an apocalyptic number.
It is an amenable number.
2311012401 is a deficient number, since it is larger than the sum of its proper divisors (770337471).
2311012401 is an equidigital number, since it uses as much as digits as its factorization.
2311012401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770337470.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2311012401 is about 48072.9903480114. The cubic root of 2311012401 is about 1322.1094983317.
Adding to 2311012401 its reverse (1042101132), we get a palindrome (3353113533).
It can be divided in two parts, 23110 and 12401, that added together give a triangular number (35511 = T266).
The spelling of 2311012401 in words is "two billion, three hundred eleven million, twelve thousand, four hundred one".
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