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144404344213 = 1771750715937
BaseRepresentation
bin1000011001111100101…
…0110110110110010101
3111210201210020202011221
42012133022312312111
54331220003003323
6150201034130341
713301321446663
oct2063712666625
9453653222157
10144404344213
1156272540138
1223ba08809b1
13108041b642c
146dbc557c33
153b5271755d
hex219f2b6d95

144404344213 has 16 divisors (see below), whose sum is σ = 155082605184. Its totient is φ = 133969489920.

The previous prime is 144404344187. The next prime is 144404344219. The reversal of 144404344213 is 312443404441.

It is a cyclic number.

It is not a de Polignac number, because 144404344213 - 217 = 144404213141 is a prime.

It is a super-2 number, since 2×1444043442132 (a number of 23 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 (144404344219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9052981 + ... + 9068917.

It is an arithmetic number, because the mean of its divisors is an integer number (9692662824).

Almost surely, 2144404344213 is an apocalyptic number.

It is an amenable number.

144404344213 is a deficient number, since it is larger than the sum of its proper divisors (10678260971).

144404344213 is a wasteful number, since it uses less digits than its factorization.

144404344213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23532.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 144404344213 its reverse (312443404441), we get a palindrome (456847748654).

The spelling of 144404344213 in words is "one hundred forty-four billion, four hundred four million, three hundred forty-four thousand, two hundred thirteen".

Divisors: 1 17 71 1207 7507 15937 127619 270929 532997 1131527 9060949 19235959 119639059 2033864003 8494373189 144404344213