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144412534121 = 163885966467
BaseRepresentation
bin1000011001111110101…
…0000110010101101001
3111210202100122211121212
42012133222012111221
54331224102042441
6150201525442505
713301451200162
oct2063752062551
9453670584555
10144412534121
1156277124359
1223ba3570435
1310805ac312b
146dbd68a769
153b532d3eeb
hex219fa86569

144412534121 has 4 divisors (see below), whose sum is σ = 145298500752. Its totient is φ = 143526567492.

The previous prime is 144412534109. The next prime is 144412534139. The reversal of 144412534121 is 121435214441.

144412534121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-144412534121 is a prime.

It is a super-2 number, since 2×1444125341212 (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 (144412534181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442983071 + ... + 442983396.

It is an arithmetic number, because the mean of its divisors is an integer number (36324625188).

Almost surely, 2144412534121 is an apocalyptic number.

It is an amenable number.

144412534121 is a deficient number, since it is larger than the sum of its proper divisors (885966631).

144412534121 is an equidigital number, since it uses as much as digits as its factorization.

144412534121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885966630.

The product of its digits is 15360, while the sum is 32.

Adding to 144412534121 its reverse (121435214441), we get a palindrome (265847748562).

The spelling of 144412534121 in words is "one hundred forty-four billion, four hundred twelve million, five hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 163 885966467 144412534121