Base | Representation |
---|---|
bin | 10111000111101111… |
… | …11111101001000101 |
3 | 1012001002022211101110 |
4 | 23203313333221011 |
5 | 200410214304341 |
6 | 5411422315233 |
7 | 616415052360 |
oct | 134367775105 |
9 | 35032284343 |
10 | 12413041221 |
11 | 529a924659 |
12 | 24a5128b19 |
13 | 122a8c1009 |
14 | 85a8190d7 |
15 | 4c9b5d216 |
hex | 2e3dffa45 |
12413041221 has 64 divisors (see below), whose sum is σ = 20171980800. Its totient is φ = 6632280000.
The previous prime is 12413041139. The next prime is 12413041241. The reversal of 12413041221 is 12214031421.
It is not a de Polignac number, because 12413041221 - 213 = 12413033029 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12413041241) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10783996 + ... + 10785146.
It is an arithmetic number, because the mean of its divisors is an integer number (315187200).
Almost surely, 212413041221 is an apocalyptic number.
It is an amenable number.
12413041221 is a deficient number, since it is larger than the sum of its proper divisors (7758939579).
12413041221 is a wasteful number, since it uses less digits than its factorization.
12413041221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1510.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 12413041221 its reverse (12214031421), we get a palindrome (24627072642).
The spelling of 12413041221 in words is "twelve billion, four hundred thirteen million, forty-one thousand, two hundred twenty-one".
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