Base | Representation |
---|---|
bin | 10110111010011010… |
… | …11101111111000101 |
3 | 1011202021221020020220 |
4 | 23131031131333011 |
5 | 200143103330041 |
6 | 5352350014553 |
7 | 613556505243 |
oct | 133515357705 |
9 | 34667836226 |
10 | 12301230021 |
11 | 52427a6203 |
12 | 24737a7459 |
13 | 12106a3442 |
14 | 849a31793 |
15 | 4bee23d66 |
hex | 2dd35dfc5 |
12301230021 has 8 divisors (see below), whose sum is σ = 17264884320. Its totient is φ = 7769197872.
The previous prime is 12301229977. The next prime is 12301230023. The reversal of 12301230021 is 12003210321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12301230021 - 27 = 12301229893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12301230023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107905470 + ... + 107905583.
It is an arithmetic number, because the mean of its divisors is an integer number (2158110540).
Almost surely, 212301230021 is an apocalyptic number.
It is an amenable number.
12301230021 is a deficient number, since it is larger than the sum of its proper divisors (4963654299).
12301230021 is a wasteful number, since it uses less digits than its factorization.
12301230021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215811075.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12301230021 its reverse (12003210321), we get a palindrome (24304440342).
The spelling of 12301230021 in words is "twelve billion, three hundred one million, two hundred thirty thousand, twenty-one".
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