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1444123042 = 2722061521
BaseRepresentation
bin101011000010011…
…1001000110100010
310201122101001101121
41112010321012202
510424143414132
6355144322454
750533562155
oct12604710642
93648331347
101444123042
1168119601a
1234377342a
131a0259b9b
14d9b19c9c
1586bad497
hex561391a2

1444123042 has 4 divisors (see below), whose sum is σ = 2166184566. Its totient is φ = 722061520.

The previous prime is 1444123027. The next prime is 1444123069. The reversal of 1444123042 is 2403214441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2403214441 = 17913425779.

It can be written as a sum of positive squares in only one way, i.e., 795860521 + 648262521 = 28211^2 + 25461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1444122998 and 1444123016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361030759 + ... + 361030762.

Almost surely, 21444123042 is an apocalyptic number.

1444123042 is a deficient number, since it is larger than the sum of its proper divisors (722061524).

1444123042 is an equidigital number, since it uses as much as digits as its factorization.

1444123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722061523.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1444123042 is about 38001.6189391978. The cubic root of 1444123042 is about 1130.3199662997.

Adding to 1444123042 its reverse (2403214441), we get a palindrome (3847337483).

The spelling of 1444123042 in words is "one billion, four hundred forty-four million, one hundred twenty-three thousand, forty-two".

Divisors: 1 2 722061521 1444123042