Base | Representation |
---|---|
bin | 10110010110110001… |
… | …00010000000111100 |
3 | 1010222110010220011212 |
4 | 23023120202000330 |
5 | 144040021441340 |
6 | 5302543303552 |
7 | 603265336310 |
oct | 131330420074 |
9 | 33873126155 |
10 | 12002140220 |
11 | 50a9993654 |
12 | 23ab5aabb8 |
13 | 1193733a25 |
14 | 81c017b40 |
15 | 4a3a44a65 |
hex | 2cb62203c |
12002140220 has 48 divisors (see below), whose sum is σ = 29475038208. Its totient is φ = 4019319360.
The previous prime is 12002140219. The next prime is 12002140223. The reversal of 12002140220 is 2204120021.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 12002140195 and 12002140204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12002140223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990836 + ... + 1002875.
It is an arithmetic number, because the mean of its divisors is an integer number (614063296).
Almost surely, 212002140220 is an apocalyptic number.
12002140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12002140220 is an abundant number, since it is smaller than the sum of its proper divisors (17472897988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12002140220 is a wasteful number, since it uses less digits than its factorization.
12002140220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1993770 (or 1993768 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 12002140220 its reverse (2204120021), we get a palindrome (14206260241).
The spelling of 12002140220 in words is "twelve billion, two million, one hundred forty thousand, two hundred twenty".
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