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44302144012013 = 82153961198553
BaseRepresentation
bin10100001001010111001011…
…00011100111111011101101
312210212020120120212211120002
422010223211203213323231
521301321242331341023
6234120042441034045
712221503266554216
oct1204534543477355
9183766516784502
1044302144012013
1113130485381998
124b76076485925
131b9489c44c654
14ad23415c240d
1551c6016e3b28
hex284ae58e7eed

44302144012013 has 4 divisors (see below), whose sum is σ = 44356105211388. Its totient is φ = 44248182812640.

The previous prime is 44302144012003. The next prime is 44302144012031. The reversal of 44302144012013 is 31021044120344.

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 18749705388649 + 25552438623364 = 4330093^2 + 5054942^2 .

It is a cyclic number.

It is not a de Polignac number, because 44302144012013 - 224 = 44302127234797 is a prime.

It is a super-2 number, since 2×443021440120132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44302144012003) 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, 26980598456 + ... + 26980600097.

It is an arithmetic number, because the mean of its divisors is an integer number (11089026302847).

Almost surely, 244302144012013 is an apocalyptic number.

It is an amenable number.

44302144012013 is a deficient number, since it is larger than the sum of its proper divisors (53961199375).

44302144012013 is an equidigital number, since it uses as much as digits as its factorization.

44302144012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53961199374.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 44302144012013 its reverse (31021044120344), we get a palindrome (75323188132357).

The spelling of 44302144012013 in words is "forty-four trillion, three hundred two billion, one hundred forty-four million, twelve thousand, thirteen".

Divisors: 1 821 53961198553 44302144012013