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144440411441401 = 923811563529421
BaseRepresentation
bin100000110101111000100111…
…011010100100100011111001
3200221102100221121202112112001
4200311320213122210203321
5122413002430312111101
61231111001534421001
742265322021550505
oct4065704732444371
9627370847675461
10144440411441401
114202891a783269
1214249629661761
136279898215c6a
142794d4b89d305
1511a735ea4a901
hex835e276a48f9

144440411441401 has 4 divisors (see below), whose sum is σ = 144441975063204. Its totient is φ = 144438847819600.

The previous prime is 144440411441353. The next prime is 144440411441429. The reversal of 144440411441401 is 104144114044441.

It is a happy number.

144440411441401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88015375485801 + 56425035955600 = 9381651^2 + 7511660^2 .

It is a cyclic number.

It is not a de Polignac number, because 144440411441401 - 231 = 144438263957753 is a prime.

It is a super-2 number, since 2×1444404114414012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144440411441471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781672330 + ... + 781857091.

It is an arithmetic number, because the mean of its divisors is an integer number (36110493765801).

Almost surely, 2144440411441401 is an apocalyptic number.

It is an amenable number.

144440411441401 is a deficient number, since it is larger than the sum of its proper divisors (1563621803).

144440411441401 is an equidigital number, since it uses as much as digits as its factorization.

144440411441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563621802.

The product of its (nonzero) digits is 65536, while the sum is 37.

Adding to 144440411441401 its reverse (104144114044441), we get a palindrome (248584525485842).

The spelling of 144440411441401 in words is "one hundred forty-four trillion, four hundred forty billion, four hundred eleven million, four hundred forty-one thousand, four hundred one".

Divisors: 1 92381 1563529421 144440411441401