Base | Representation |
---|---|
bin | 10010000100110011101… |
… | …001010010100011001011 |
3 | 11101202002220212220010221 |
4 | 102010303221102203023 |
5 | 130322321133313233 |
6 | 2350341323050511 |
7 | 155511456612463 |
oct | 22046351224313 |
9 | 4352086786127 |
10 | 1242112010443 |
11 | 43985a936907 |
12 | 180890970a37 |
13 | 901910a1a95 |
14 | 441933caba3 |
15 | 2249bd0d42d |
hex | 12133a528cb |
1242112010443 has 8 divisors (see below), whose sum is σ = 1315320402960. Its totient is φ = 1168919504640.
The previous prime is 1242112010411. The next prime is 1242112010467. The reversal of 1242112010443 is 3440102112421.
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 1242112010443 - 25 = 1242112010411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1246112010443) 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, 3810513 + ... + 4123618.
It is an arithmetic number, because the mean of its divisors is an integer number (164415050370).
Almost surely, 21242112010443 is an apocalyptic number.
1242112010443 is a deficient number, since it is larger than the sum of its proper divisors (73208392517).
1242112010443 is an equidigital number, since it uses as much as digits as its factorization.
1242112010443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7943357.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 1242112010443 its reverse (3440102112421), we get a palindrome (4682214122864).
The spelling of 1242112010443 in words is "one trillion, two hundred forty-two billion, one hundred twelve million, ten thousand, four hundred forty-three".
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