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4444311221401 = 15792814636619
BaseRepresentation
bin100000010101100010110…
…0101110111010010011001
3120201212112200122100101011
41000223011211313102121
51040303422133041101
613241404405253521
7636043114035412
oct100530545672231
916655480570334
104444311221401
1114639049044a7
125b9406a042a1
132631347372bc
1411516a4b8809
157a917ad9751
hex40ac5977499

4444311221401 has 4 divisors (see below), whose sum is σ = 4447125859600. Its totient is φ = 4441496583204.

The previous prime is 4444311221333. The next prime is 4444311221411. The reversal of 4444311221401 is 1041221134444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4444311221401 - 229 = 4443774350489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444311221411) 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, 1407316731 + ... + 1407319888.

It is an arithmetic number, because the mean of its divisors is an integer number (1111781464900).

Almost surely, 24444311221401 is an apocalyptic number.

It is an amenable number.

4444311221401 is a deficient number, since it is larger than the sum of its proper divisors (2814638199).

4444311221401 is a wasteful number, since it uses less digits than its factorization.

4444311221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814638198.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 4444311221401 its reverse (1041221134444), we get a palindrome (5485532355845).

The spelling of 4444311221401 in words is "four trillion, four hundred forty-four billion, three hundred eleven million, two hundred twenty-one thousand, four hundred one".

Divisors: 1 1579 2814636619 4444311221401