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1055752252217 = 1381211711709
BaseRepresentation
bin11110101110011111011…
…11001110101100111001
310201221002012010021201022
433113033233032230321
5114244140034032332
62125001134432225
7136163345035265
oct17271757165471
93657065107638
101055752252217
113778186941a3
12150741362675
137873199cab0
1439154ad50a5
151c6e1107212
hexf5cfbceb39

1055752252217 has 4 divisors (see below), whose sum is σ = 1136963963940. Its totient is φ = 974540540496.

The previous prime is 1055752252213. The next prime is 1055752252241. The reversal of 1055752252217 is 7122522575501.

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 62070241321 + 993682010896 = 249139^2 + 996836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055752252217 - 22 = 1055752252213 is a prime.

It is a super-2 number, since 2×10557522522172 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055752252213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40605855842 + ... + 40605855867.

It is an arithmetic number, because the mean of its divisors is an integer number (284240990985).

Almost surely, 21055752252217 is an apocalyptic number.

It is an amenable number.

1055752252217 is a deficient number, since it is larger than the sum of its proper divisors (81211711723).

1055752252217 is an equidigital number, since it uses as much as digits as its factorization.

1055752252217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81211711722.

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 1055752252217 in words is "one trillion, fifty-five billion, seven hundred fifty-two million, two hundred fifty-two thousand, two hundred seventeen".

Divisors: 1 13 81211711709 1055752252217