Base | Representation |
---|---|
bin | 10110010110100011… |
… | …00001000010101111 |
3 | 1010222022200110120011 |
4 | 23023101201002233 |
5 | 144034034114411 |
6 | 5302440034051 |
7 | 603243606652 |
oct | 131321410257 |
9 | 33868613504 |
10 | 12000301231 |
11 | 50a8947a26 |
12 | 23aaa62927 |
13 | 119323b979 |
14 | 81ba99899 |
15 | 4a37cec21 |
hex | 2cb4610af |
12000301231 has 4 divisors (see below), whose sum is σ = 12067342200. Its totient is φ = 11933260264.
The previous prime is 12000301211. The next prime is 12000301249. The reversal of 12000301231 is 13210300021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13210300021 = 7691 ⋅1717631.
It is a cyclic number.
It is not a de Polignac number, because 12000301231 - 211 = 12000299183 is a prime.
It is a super-2 number, since 2×120003012312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000301211) 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, 33520216 + ... + 33520573.
It is an arithmetic number, because the mean of its divisors is an integer number (3016835550).
Almost surely, 212000301231 is an apocalyptic number.
12000301231 is a deficient number, since it is larger than the sum of its proper divisors (67040969).
12000301231 is an equidigital number, since it uses as much as digits as its factorization.
12000301231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67040968.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 12000301231 its reverse (13210300021), we get a palindrome (25210601252).
The spelling of 12000301231 in words is "twelve billion, three hundred one thousand, two hundred thirty-one".
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