Base | Representation |
---|---|
bin | 10001110001100001110… |
… | …001010111101111001101 |
3 | 11022202200020100212010020 |
4 | 101301201301113233031 |
5 | 130002422211404201 |
6 | 2333035233332353 |
7 | 154146463401510 |
oct | 21614161275715 |
9 | 4282606325106 |
10 | 1221411044301 |
11 | 430aa7768628 |
12 | 1788741070b9 |
13 | 8b24240a0a6 |
14 | 4318bd98d77 |
15 | 21b8977da36 |
hex | 11c61c57bcd |
1221411044301 has 32 divisors (see below), whose sum is σ = 1904857033728. Its totient is φ = 681583351680.
The previous prime is 1221411044263. The next prime is 1221411044309. The reversal of 1221411044301 is 1034401141221.
It is a happy number.
It is not a de Polignac number, because 1221411044301 - 26 = 1221411044237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1221411044309) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4538625 + ... + 4800201.
It is an arithmetic number, because the mean of its divisors is an integer number (59526782304).
Almost surely, 21221411044301 is an apocalyptic number.
It is an amenable number.
1221411044301 is a deficient number, since it is larger than the sum of its proper divisors (683445989427).
1221411044301 is a wasteful number, since it uses less digits than its factorization.
1221411044301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266801.
The product of its (nonzero) digits is 768, while the sum is 24.
Adding to 1221411044301 its reverse (1034401141221), we get a palindrome (2255812185522).
The spelling of 1221411044301 in words is "one trillion, two hundred twenty-one billion, four hundred eleven million, forty-four thousand, three hundred one".
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