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1055747843725 = 5242229913749
BaseRepresentation
bin11110101110011110111…
…10011010011010001101
310201221001212211022101211
433113033132122122031
5114244132421444400
62125000500134421
7136163262414451
oct17271736323215
93657055738354
101055747843725
11377816153013
1215073b997411
1378730ab8313
14391542a8661
151c6e0a35dba
hexf5cf79a68d

1055747843725 has 6 divisors (see below), whose sum is σ = 1309127326250. Its totient is φ = 844598274960.

The previous prime is 1055747843723. The next prime is 1055747843741. The reversal of 1055747843725 is 5273487475501.

It can be written as a sum of positive squares in 3 ways, for example, as 281632937481 + 774114906244 = 530691^2 + 879838^2 .

It is not a de Polignac number, because 1055747843725 - 21 = 1055747843723 is a prime.

It is a super-2 number, since 2×10557478437252 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055747843725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055747843723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21114956850 + ... + 21114956899.

Almost surely, 21055747843725 is an apocalyptic number.

It is an amenable number.

1055747843725 is a deficient number, since it is larger than the sum of its proper divisors (253379482525).

1055747843725 is an equidigital number, since it uses as much as digits as its factorization.

1055747843725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42229913759 (or 42229913754 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 1055747843725 in words is "one trillion, fifty-five billion, seven hundred forty-seven million, eight hundred forty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 42229913749 211149568745 1055747843725