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144452323413 = 3237433790761
BaseRepresentation
bin1000011010001000000…
…1111000100001010101
3111210212010112100021100
42012202001320201111
54331314243322123
6150205510340313
713302443330016
oct2064201704125
9453763470240
10144452323413
1156297630672
1223bb495a699
1310811114aa8
146dc4a8700d
153b56a43643
hex21a2078855

144452323413 has 12 divisors (see below), whose sum is σ = 214292636428. Its totient is φ = 93698804160.

The previous prime is 144452323403. The next prime is 144452323459. The reversal of 144452323413 is 314323254441.

144452323413 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 5 + 232 + 3 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139085735364 + 5366588049 = 372942^2 + 73257^2 .

It is not a de Polignac number, because 144452323413 - 217 = 144452192341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144452323403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216895048 + ... + 216895713.

Almost surely, 2144452323413 is an apocalyptic number.

It is an amenable number.

144452323413 is a deficient number, since it is larger than the sum of its proper divisors (69840313015).

144452323413 is a wasteful number, since it uses less digits than its factorization.

144452323413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433790804 (or 433790801 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 144452323413 its reverse (314323254441), we get a palindrome (458775577854).

The spelling of 144452323413 in words is "one hundred forty-four billion, four hundred fifty-two million, three hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 3 9 37 111 333 433790761 1301372283 3904116849 16050258157 48150774471 144452323413