Base | Representation |
---|---|
bin | 10110111010011001… |
… | …00110010100100100 |
3 | 1011202021111122111102 |
4 | 23131030212110210 |
5 | 200143024031040 |
6 | 5352341055232 |
7 | 613554535436 |
oct | 133514462444 |
9 | 34667448442 |
10 | 12301002020 |
11 | 524265a97a |
12 | 24736b7518 |
13 | 1210623728 |
14 | 8499b2656 |
15 | 4bedcb515 |
hex | 2dd326524 |
12301002020 has 24 divisors (see below), whose sum is σ = 25837471800. Its totient is φ = 4919378432.
The previous prime is 12301002019. The next prime is 12301002023. The reversal of 12301002020 is 2020010321.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4527405796 + 7773596224 = 67286^2 + 88168^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12301001992 and 12301002010.
It is not an unprimeable number, because it can be changed into a prime (12301002023) 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, 38786 + ... + 161574.
It is an arithmetic number, because the mean of its divisors is an integer number (1076561325).
Almost surely, 212301002020 is an apocalyptic number.
12301002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12301002020 is an abundant number, since it is smaller than the sum of its proper divisors (13536469780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12301002020 is a wasteful number, since it uses less digits than its factorization.
12301002020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127807 (or 127805 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 12301002020 its reverse (2020010321), we get a palindrome (14321012341).
The spelling of 12301002020 in words is "twelve billion, three hundred one million, two thousand, twenty".
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