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144403130241321 = 3750767135449003
BaseRepresentation
bin100000110101010101111001…
…010010000101000100101001
3200221021210201102121100100220
4200311111321102011010221
5122411400102320210241
61231041514321120253
742262532116563210
oct4065257122050451
9627253642540326
10144403130241321
1142014029491906
1214242364189089
136276206500263
14279321241a077
1511a63cbaae166
hex835579485129

144403130241321 has 16 divisors (see below), whose sum is σ = 220047201122304. Its totient is φ = 82514448426384.

The previous prime is 144403130241319. The next prime is 144403130241371. The reversal of 144403130241321 is 123142031304441.

It is a happy number.

It is not a de Polignac number, because 144403130241321 - 21 = 144403130241319 is a prime.

It is a super-3 number, since 3×1444031302413213 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144403130241371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66658395 + ... + 68790608.

It is an arithmetic number, because the mean of its divisors is an integer number (13752950070144).

Almost surely, 2144403130241321 is an apocalyptic number.

It is an amenable number.

144403130241321 is a deficient number, since it is larger than the sum of its proper divisors (75644070880983).

144403130241321 is a wasteful number, since it uses less digits than its factorization.

144403130241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135499780.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 144403130241321 its reverse (123142031304441), we get a palindrome (267545161545762).

The spelling of 144403130241321 in words is "one hundred forty-four trillion, four hundred three billion, one hundred thirty million, two hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 3 7 21 50767 152301 355369 1066107 135449003 406347009 948143021 2844429063 6876339535301 20629018605903 48134376747107 144403130241321