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1441214665 = 51122382173
BaseRepresentation
bin101010111100111…
…0011000011001001
310201102220021211221
41111321303003021
510422422332130
6355002122041
750500060012
oct12571630311
93642807757
101441214665
1167a589a00
123427b0321
1319c77c157
14d95a0009
15867d687a
hex55e730c9

1441214665 has 12 divisors (see below), whose sum is σ = 1900974852. Its totient is φ = 1048155680.

The previous prime is 1441214629. The next prime is 1441214681. The reversal of 1441214665 is 5664121441.

It can be written as a sum of positive squares in 2 ways, for example, as 431309824 + 1009904841 = 20768^2 + 31779^2 .

It is not a de Polignac number, because 1441214665 - 227 = 1306996937 is a prime.

It is a super-2 number, since 2×14412146652 = 4154199421222124450, which 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 1441214665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1190482 + ... + 1191691.

It is an arithmetic number, because the mean of its divisors is an integer number (158414571).

Almost surely, 21441214665 is an apocalyptic number.

It is an amenable number.

1441214665 is a deficient number, since it is larger than the sum of its proper divisors (459760187).

1441214665 is a wasteful number, since it uses less digits than its factorization.

1441214665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382200 (or 2382189 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 1441214665 is about 37963.3331650423. Note that the first 3 decimals coincide. The cubic root of 1441214665 is about 1129.5606575145.

The spelling of 1441214665 in words is "one billion, four hundred forty-one million, two hundred fourteen thousand, six hundred sixty-five".

Divisors: 1 5 11 55 121 605 2382173 11910865 26203903 131019515 288242933 1441214665