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1444443001426 = 21761696452749
BaseRepresentation
bin10101000001001111100…
…000110001001001010010
312010002100201100012010201
4111001033200301021102
5142131204402021201
63023322402245414
7206233433634535
oct25011740611122
95102321305121
101444443001426
11507648466037
121b3b3905686a
13a62972c7159
144dca8cc6a1c
152788ec26801
hex1504f831252

1444443001426 has 16 divisors (see below), whose sum is σ = 2331723807000. Its totient is φ = 668594638080.

The previous prime is 1444443001367. The next prime is 1444443001427. The reversal of 1444443001426 is 6241003444441.

It can be written as a sum of positive squares in 4 ways, for example, as 773106940225 + 671336061201 = 879265^2 + 819351^2 .

It is not an unprimeable number, because it can be changed into a prime (1444443001427) 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, 348224301 + ... + 348228448.

Almost surely, 21444443001426 is an apocalyptic number.

1444443001426 is a deficient number, since it is larger than the sum of its proper divisors (887280805574).

1444443001426 is a wasteful number, since it uses less digits than its factorization.

1444443001426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696452829.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 1444443001426 its reverse (6241003444441), we get a palindrome (7685446445867).

The spelling of 1444443001426 in words is "one trillion, four hundred forty-four billion, four hundred forty-three million, one thousand, four hundred twenty-six".

Divisors: 1 2 17 34 61 122 1037 2074 696452749 1392905498 11839696733 23679393466 42483617689 84967235378 722221500713 1444443001426