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1444003032021 = 31143757667637
BaseRepresentation
bin10101000000110101010…
…010011010101111010101
312010001020001110102120120
4111000311102122233111
5142124304234011041
63023211004222153
7206216512153104
oct25006522325725
95101201412516
101444003032021
11507442080560
121b3a3583a959
13a62270ccc24
144dc666ba03b
15278662ba366
hex1503549abd5

1444003032021 has 8 divisors (see below), whose sum is σ = 2100368046624. Its totient is φ = 875153352720.

The previous prime is 1444003032011. The next prime is 1444003032053. The reversal of 1444003032021 is 1202303004441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1444003032021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444003031982 and 1444003032000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444003032011) 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, 21878833786 + ... + 21878833851.

It is an arithmetic number, because the mean of its divisors is an integer number (262546005828).

Almost surely, 21444003032021 is an apocalyptic number.

1444003032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444003032021 is a deficient number, since it is larger than the sum of its proper divisors (656365014603).

1444003032021 is a wasteful number, since it uses less digits than its factorization.

1444003032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43757667651.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1444003032021 its reverse (1202303004441), we get a palindrome (2646306036462).

The spelling of 1444003032021 in words is "one trillion, four hundred forty-four billion, three million, thirty-two thousand, twenty-one".

Divisors: 1 3 11 33 43757667637 131273002911 481334344007 1444003032021