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143248111425 = 3252636658273
BaseRepresentation
bin1000010101101001000…
…0001011011101000001
3111200202012121000222100
42011122100023131001
54321333004031200
6145450212101013
713230551566626
oct2053220133501
9450665530870
10143248111425
1155829908351
1223919604769
131067b7a7413
146d0cb7c34d
153ad5e74d00
hex215a40b741

143248111425 has 18 divisors (see below), whose sum is σ = 256573284422. Its totient is φ = 76398992640.

The previous prime is 143248111417. The next prime is 143248111439. The reversal of 143248111425 is 524111842341.

143248111425 is a `hidden beast` number, since 1 + 4 + 32 + 481 + 1 + 142 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1150023744 + 142098087681 = 33912^2 + 376959^2 .

It is not a de Polignac number, because 143248111425 - 23 = 143248111417 is a prime.

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 143248111425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 318328912 + ... + 318329361.

Almost surely, 2143248111425 is an apocalyptic number.

143248111425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143248111425 is a deficient number, since it is larger than the sum of its proper divisors (113325172997).

143248111425 is a wasteful number, since it uses less digits than its factorization.

143248111425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636658289 (or 636658281 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

Adding to 143248111425 its reverse (524111842341), we get a palindrome (667359953766).

The spelling of 143248111425 in words is "one hundred forty-three billion, two hundred forty-eight million, one hundred eleven thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 636658273 1909974819 3183291365 5729924457 9549874095 15916456825 28649622285 47749370475 143248111425