Base | Representation |
---|---|
bin | 10000101001100010111… |
… | …111011101001010010101 |
3 | 11001101011211120210201021 |
4 | 100221202333131022111 |
5 | 122221130224234141 |
6 | 2233334043201141 |
7 | 145442261260444 |
oct | 20514277351225 |
9 | 4041154523637 |
10 | 1144122102421 |
11 | 401246110651 |
12 | 1658a42161b1 |
13 | 83b75b6109c |
14 | 3d5392d0d5b |
15 | 1eb642cb6d1 |
hex | 10a62fdd295 |
1144122102421 has 4 divisors (see below), whose sum is σ = 1204339055200. Its totient is φ = 1083905149644.
The previous prime is 1144122102407. The next prime is 1144122102481. The reversal of 1144122102421 is 1242012214411.
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 1144122102421 - 213 = 1144122094229 is a prime.
It is a super-2 number, since 2×11441221024212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1144122102481) 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, 30108476361 + ... + 30108476398.
It is an arithmetic number, because the mean of its divisors is an integer number (301084763800).
Almost surely, 21144122102421 is an apocalyptic number.
It is an amenable number.
1144122102421 is a deficient number, since it is larger than the sum of its proper divisors (60216952779).
1144122102421 is an equidigital number, since it uses as much as digits as its factorization.
1144122102421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60216952778.
The product of its (nonzero) digits is 1024, while the sum is 25.
Adding to 1144122102421 its reverse (1242012214411), we get a palindrome (2386134316832).
The spelling of 1144122102421 in words is "one trillion, one hundred forty-four billion, one hundred twenty-two million, one hundred two thousand, four hundred twenty-one".
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