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254443141013 = 1737616631477
BaseRepresentation
bin1110110011110111111…
…1100011011110010101
3220022202120122210202112
43230331333203132111
513132044421003023
6312520051320405
724245224004435
oct3547577433625
9808676583675
10254443141013
11989aa579916
12413905b0105
131acbc748309
14c45a95a2c5
156942e25478
hex3b3dfe3795

254443141013 has 16 divisors (see below), whose sum is σ = 281227719024. Its totient is φ = 229183810560.

The previous prime is 254443141009. The next prime is 254443141039. The reversal of 254443141013 is 310141344452.

It can be written as a sum of positive squares in 8 ways, for example, as 16588924804 + 237854216209 = 128798^2 + 487703^2 .

It is a cyclic number.

It is not a de Polignac number, because 254443141013 - 22 = 254443141009 is a prime.

It is a super-2 number, since 2×2544431410132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254443141913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3277370 + ... + 3354107.

It is an arithmetic number, because the mean of its divisors is an integer number (17576732439).

Almost surely, 2254443141013 is an apocalyptic number.

It is an amenable number.

254443141013 is a deficient number, since it is larger than the sum of its proper divisors (26784578011).

254443141013 is a wasteful number, since it uses less digits than its factorization.

254443141013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631592.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 254443141013 its reverse (310141344452), we get a palindrome (564584485465).

The spelling of 254443141013 in words is "two hundred fifty-four billion, four hundred forty-three million, one hundred forty-one thousand, thirteen".

Divisors: 1 17 37 61 629 1037 2257 38369 6631477 112735109 245364649 404520097 4171199033 6876841649 14967243589 254443141013