Base | Representation |
---|---|
bin | 111001011011111100… |
… | …1101000000101111001 |
3 | 102210101002021210221211 |
4 | 1302313321220011321 |
5 | 4010102132434431 |
6 | 132355203003121 |
7 | 11624406165436 |
oct | 1626771500571 |
9 | 383332253854 |
10 | 123344421241 |
11 | 4834578a318 |
12 | 1baa39694a1 |
13 | b829050752 |
14 | 5d815a6b8d |
15 | 331d8d02b1 |
hex | 1cb7e68179 |
123344421241 has 4 divisors (see below), whose sum is σ = 124033496400. Its totient is φ = 122655346084.
The previous prime is 123344421223. The next prime is 123344421251. The reversal of 123344421241 is 142124443321.
It is a happy number.
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 123344421241 - 215 = 123344388473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123344421251) 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, 344537311 + ... + 344537668.
It is an arithmetic number, because the mean of its divisors is an integer number (31008374100).
Almost surely, 2123344421241 is an apocalyptic number.
It is an amenable number.
123344421241 is a deficient number, since it is larger than the sum of its proper divisors (689075159).
123344421241 is an equidigital number, since it uses as much as digits as its factorization.
123344421241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 689075158.
The product of its digits is 18432, while the sum is 31.
Adding to 123344421241 its reverse (142124443321), we get a palindrome (265468864562).
The spelling of 123344421241 in words is "one hundred twenty-three billion, three hundred forty-four million, four hundred twenty-one thousand, two hundred forty-one".
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