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144400232013 = 389540824839
BaseRepresentation
bin1000011001111011101…
…1001010111001001101
3111210201111111211022020
42012132323022321031
54331212424411023
6150200410040353
713301241502032
oct2063673127115
9453644454266
10144400232013
1156270191624
1223b9b4190b9
13108033a678b
146dbbba7389
153b521a3de3
hex219eecae4d

144400232013 has 8 divisors (see below), whose sum is σ = 194696942400. Its totient is φ = 95185171488.

The previous prime is 144400231993. The next prime is 144400232017. The reversal of 144400232013 is 310232004441.

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

It is not a de Polignac number, because 144400232013 - 28 = 144400231757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144400232017) 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, 270412153 + ... + 270412686.

It is an arithmetic number, because the mean of its divisors is an integer number (24337117800).

Almost surely, 2144400232013 is an apocalyptic number.

It is an amenable number.

144400232013 is a deficient number, since it is larger than the sum of its proper divisors (50296710387).

144400232013 is an equidigital number, since it uses as much as digits as its factorization.

144400232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540824931.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 144400232013 its reverse (310232004441), we get a palindrome (454632236454).

The spelling of 144400232013 in words is "one hundred forty-four billion, four hundred million, two hundred thirty-two thousand, thirteen".

Divisors: 1 3 89 267 540824839 1622474517 48133410671 144400232013