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1443857912848 = 241319735236673
BaseRepresentation
bin10101000000101100101…
…000110101010000010000
312010000211221101121111101
4111000230220311100100
5142124010111202343
63023144341554144
7206213100522121
oct25005450652020
95100757347441
101443857912848
1150737817235a
121b39b5115954
13a620301c7b0
144dc51302048
15278586a1e4d
hex1502ca35410

1443857912848 has 40 divisors (see below), whose sum is σ = 3027957870168. Its totient is φ = 663013220352.

The previous prime is 1443857912807. The next prime is 1443857912857. The reversal of 1443857912848 is 8482197583441.

It can be written as a sum of positive squares in 4 ways, for example, as 526768220944 + 917089691904 = 725788^2 + 957648^2 .

It is a super-2 number, since 2×14438579128482 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1443857912848.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17577361 + ... + 17659312.

Almost surely, 21443857912848 is an apocalyptic number.

It is an amenable number.

1443857912848 is an abundant number, since it is smaller than the sum of its proper divisors (1584099957320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443857912848 is a wasteful number, since it uses less digits than its factorization.

1443857912848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35236891 (or 35236885 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

The spelling of 1443857912848 in words is "one trillion, four hundred forty-three billion, eight hundred fifty-seven million, nine hundred twelve thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 197 208 394 788 1576 2561 3152 5122 10244 20488 40976 35236673 70473346 140946692 281893384 458076749 563786768 916153498 1832306996 3664613992 6941624581 7329227984 13883249162 27766498324 55532996648 90241119553 111065993296 180482239106 360964478212 721928956424 1443857912848