Base | Representation |
---|---|
bin | 10111000110011100… |
… | …10000101111010000 |
3 | 1012000022202000111111 |
4 | 23203032100233100 |
5 | 200344414214300 |
6 | 5410352023104 |
7 | 616223056306 |
oct | 134316205720 |
9 | 35008660444 |
10 | 12402101200 |
11 | 5294732215 |
12 | 24a1531a94 |
13 | 1228560628 |
14 | 8591ac276 |
15 | 4c8beb9ba |
hex | 2e3390bd0 |
12402101200 has 60 divisors (see below), whose sum is σ = 29864343520. Its totient is φ = 4949470080.
The previous prime is 12402101191. The next prime is 12402101203. The reversal of 12402101200 is 210120421.
It is a happy number.
It is a super-2 number, since 2×124021012002 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12402101203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140287 + ... + 210913.
Almost surely, 212402101200 is an apocalyptic number.
12402101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12402101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14932171760).
12402101200 is an abundant number, since it is smaller than the sum of its proper divisors (17462242320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12402101200 is a wasteful number, since it uses less digits than its factorization.
12402101200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71084 (or 71073 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 12402101200 its reverse (210120421), we get a palindrome (12612221621).
The spelling of 12402101200 in words is "twelve billion, four hundred two million, one hundred one thousand, two hundred".
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