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144215311101444 = 22351131275718541
BaseRepresentation
bin100000110010100110111110…
…011000111010111000000100
3200220121211220222202110200000
4200302212332120322320010
5122400310424120221234
61230415333241121300
742243132564333012
oct4062467630727004
9626554828673600
10144215311101444
1141a51408482160
1214211a87a89230
1362615a395b12b
1427880b5d958b2
1511a1587bd3899
hex8329be63ae04

144215311101444 has 432 divisors, whose sum is σ = 426732480877248. Its totient is φ = 42233734368000.

The previous prime is 144215311101427. The next prime is 144215311101527. The reversal of 144215311101444 is 444101113512441.

144215311101444 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 1 + 531 + 110 + 1 + 4 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144215311101399 and 144215311101408.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7778174814 + ... + 7778193354.

Almost surely, 2144215311101444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144215311101444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213366240438624).

144215311101444 is an abundant number, since it is smaller than the sum of its proper divisors (282517169775804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144215311101444 is a wasteful number, since it uses less digits than its factorization.

144215311101444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390 (or 19345 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 144215311101444 its reverse (444101113512441), we get a palindrome (588316424613885).

The spelling of 144215311101444 in words is "one hundred forty-four trillion, two hundred fifteen billion, three hundred eleven million, one hundred one thousand, four hundred forty-four".