Base | Representation |
---|---|
bin | 10001110000001101101… |
… | …100010000100111000001 |
3 | 11022122000221000121221121 |
4 | 101300031230100213001 |
5 | 124442030101340431 |
6 | 2332243242552241 |
7 | 154066514311213 |
oct | 21601554204701 |
9 | 4278027017847 |
10 | 1220000418241 |
11 | 430443481370 |
12 | 17853b808681 |
13 | 8b0790aab07 |
14 | 430968bc5b3 |
15 | 21b059da611 |
hex | 11c0db109c1 |
1220000418241 has 4 divisors (see below), whose sum is σ = 1330909547184. Its totient is φ = 1109091289300.
The previous prime is 1220000418227. The next prime is 1220000418331. The reversal of 1220000418241 is 1428140000221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1220000418241 - 25 = 1220000418209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1220000418941) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55454564455 + ... + 55454564476.
It is an arithmetic number, because the mean of its divisors is an integer number (332727386796).
Almost surely, 21220000418241 is an apocalyptic number.
1220000418241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1220000418241 is a deficient number, since it is larger than the sum of its proper divisors (110909128943).
1220000418241 is a wasteful number, since it uses less digits than its factorization.
1220000418241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110909128942.
The product of its (nonzero) digits is 1024, while the sum is 25.
Adding to 1220000418241 its reverse (1428140000221), we get a palindrome (2648140418462).
The spelling of 1220000418241 in words is "one trillion, two hundred twenty billion, four hundred eighteen thousand, two hundred forty-one".
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