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144469337381 = 2910914566179
BaseRepresentation
bin1000011010001100001…
…0110010010100100101
3111210220022112202001022
42012203002302110211
54331333122244011
6150211315140525
713303041051305
oct2064302622445
9453808482038
10144469337381
11562a61a14a6
1223bba5a4745
13108147c1025
146dc7035605
153b582a48db
hex21a30b2525

144469337381 has 8 divisors (see below), whose sum is σ = 149588056800. Its totient is φ = 139359752560.

The previous prime is 144469337347. The next prime is 144469337447. The reversal of 144469337381 is 183733964441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144469337381 - 26 = 144469337317 is a prime.

It is a super-2 number, since 2×1444693373812 (a number of 23 digits) contains 22 as substring.

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 (144469337081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251451 + ... + 2314728.

It is an arithmetic number, because the mean of its divisors is an integer number (18698507100).

Almost surely, 2144469337381 is an apocalyptic number.

It is an amenable number.

144469337381 is a deficient number, since it is larger than the sum of its proper divisors (5118719419).

144469337381 is a wasteful number, since it uses less digits than its factorization.

144469337381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567299.

The product of its digits is 5225472, while the sum is 53.

The spelling of 144469337381 in words is "one hundred forty-four billion, four hundred sixty-nine million, three hundred thirty-seven thousand, three hundred eighty-one".

Divisors: 1 29 1091 31639 4566179 132419191 4981701289 144469337381