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1440130241141 = 7736918613789
BaseRepresentation
bin10100111101001110011…
…100111001001001110101
312002200020011010021020022
4110331032130321021311
5142043341320204031
63021330421014525
7206021525034434
oct24751634711165
95080204107208
101440130241141
11505834a82439
121b3134854445
13a5a5a95a8a7
144d9ba1db11b
15276db2c197b
hex14f4e739275

1440130241141 has 4 divisors (see below), whose sum is σ = 1440148932300. Its totient is φ = 1440111549984.

The previous prime is 1440130241093. The next prime is 1440130241267. The reversal of 1440130241141 is 1411420310441.

It is a happy number.

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 361760146225 + 1078370094916 = 601465^2 + 1038446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440130241141 - 222 = 1440126046837 is a prime.

It is a super-2 number, since 2×14401302411412 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440130241141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440130241041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9229526 + ... + 9384263.

It is an arithmetic number, because the mean of its divisors is an integer number (360037233075).

Almost surely, 21440130241141 is an apocalyptic number.

It is an amenable number.

1440130241141 is a deficient number, since it is larger than the sum of its proper divisors (18691159).

1440130241141 is an equidigital number, since it uses as much as digits as its factorization.

1440130241141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691158.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1440130241141 its reverse (1411420310441), we get a palindrome (2851550551582).

The spelling of 1440130241141 in words is "one trillion, four hundred forty billion, one hundred thirty million, two hundred forty-one thousand, one hundred forty-one".

Divisors: 1 77369 18613789 1440130241141