Base | Representation |
---|---|
bin | 10010000101110001000… |
… | …000010000011010110101 |
3 | 11101211202122221101200012 |
4 | 102011301000100122311 |
5 | 130331423202104310 |
6 | 2351031415230005 |
7 | 155546126621366 |
oct | 22056100203265 |
9 | 4354678841605 |
10 | 1243141441205 |
11 | 43a238a31434 |
12 | 180b19678305 |
13 | 902c6444b01 |
14 | 4424ddd9b6d |
15 | 2250c3a4c05 |
hex | 121710106b5 |
1243141441205 has 8 divisors (see below), whose sum is σ = 1492066747392. Its totient is φ = 994315141008.
The previous prime is 1243141441183. The next prime is 1243141441207. The reversal of 1243141441205 is 5021441413421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1243141441205 - 230 = 1242067699381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1243141441207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24723869 + ... + 24774098.
It is an arithmetic number, because the mean of its divisors is an integer number (186508343424).
Almost surely, 21243141441205 is an apocalyptic number.
It is an amenable number.
1243141441205 is a deficient number, since it is larger than the sum of its proper divisors (248925306187).
1243141441205 is an equidigital number, since it uses as much as digits as its factorization.
1243141441205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49502995.
The product of its (nonzero) digits is 15360, while the sum is 32.
Adding to 1243141441205 its reverse (5021441413421), we get a palindrome (6264582854626).
The spelling of 1243141441205 in words is "one trillion, two hundred forty-three billion, one hundred forty-one million, four hundred forty-one thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •