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144123120113 = 720589017159
BaseRepresentation
bin1000011000111001101…
…0000100100111110001
3111210000012002002020112
42012032122010213301
54330131004320423
6150113110351105
713261335210440
oct2061632044761
9453005062215
10144123120113
1156138820325
1223b2265b495
131078ab6083b
146d93070d57
153b37bb6a78
hex218e6849f1

144123120113 has 4 divisors (see below), whose sum is σ = 164712137280. Its totient is φ = 123534102948.

The previous prime is 144123120107. The next prime is 144123120133. The reversal of 144123120113 is 311021321441.

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 144123120113 - 28 = 144123119857 is a prime.

It is a super-2 number, since 2×1441231201132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144123120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10294508573 + ... + 10294508586.

It is an arithmetic number, because the mean of its divisors is an integer number (41178034320).

Almost surely, 2144123120113 is an apocalyptic number.

It is an amenable number.

144123120113 is a deficient number, since it is larger than the sum of its proper divisors (20589017167).

144123120113 is an equidigital number, since it uses as much as digits as its factorization.

144123120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20589017166.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 144123120113 its reverse (311021321441), we get a palindrome (455144441554).

The spelling of 144123120113 in words is "one hundred forty-four billion, one hundred twenty-three million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 7 20589017159 144123120113