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144213131131444 = 22137812616158681
BaseRepresentation
bin100000110010100100111100…
…011100111111101000110100
3200220121122022001202112000101
4200302210330130333220310
5122400241443032201234
61230414333044523444
742243024554026234
oct4062447434775064
9626548261675011
10144213131131444
1141a50499993461
12142115799b0584
13626131712075b
142787d4a64dcc4
1511a14ab621814
hex83293c73fa34

144213131131444 has 12 divisors (see below), whose sum is σ = 252391292687268. Its totient is φ = 72101333220800.

The previous prime is 144213131131423. The next prime is 144213131131453. The reversal of 144213131131444 is 444131131312441.

144213131131444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49998192483600 + 94214938647844 = 7070940^2 + 9706438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308024217 + ... + 1308134464.

It is an arithmetic number, because the mean of its divisors is an integer number (21032607723939).

Almost surely, 2144213131131444 is an apocalyptic number.

It is an amenable number.

144213131131444 is a deficient number, since it is larger than the sum of its proper divisors (108178161555824).

144213131131444 is a wasteful number, since it uses less digits than its factorization.

144213131131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616172466 (or 2616172464 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

Adding to 144213131131444 its reverse (444131131312441), we get a palindrome (588344262443885).

The spelling of 144213131131444 in words is "one hundred forty-four trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 13781 27562 55124 2616158681 5232317362 10464634724 36053282782861 72106565565722 144213131131444