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53244200089081 = 257207175875833
BaseRepresentation
bin11000001101100111000011…
…01000011111010111111001
320222112002120211222101122201
430012303201220133113321
523434323110210322311
6305124014200150201
714133523625244541
oct1406634150372771
9228462524871581
1053244200089081
1115a68813971101
125b7b0baa68361
132392ba28319c1
14d2106690a321
1562500ce0a9c1
hex306ce1a1f5f9

53244200089081 has 4 divisors (see below), whose sum is σ = 53451375965172. Its totient is φ = 53037024212992.

The previous prime is 53244200089079. The next prime is 53244200089147. The reversal of 53244200089081 is 18098000244235.

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 38325942732025 + 14918257357056 = 6190795^2 + 3862416^2 .

It is a cyclic number.

It is not a de Polignac number, because 53244200089081 - 21 = 53244200089079 is a prime.

It is a super-2 number, since 2×532442000890812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53244200089051) 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, 103587937660 + ... + 103587938173.

It is an arithmetic number, because the mean of its divisors is an integer number (13362843991293).

Almost surely, 253244200089081 is an apocalyptic number.

It is an amenable number.

53244200089081 is a deficient number, since it is larger than the sum of its proper divisors (207175876091).

53244200089081 is a wasteful number, since it uses less digits than its factorization.

53244200089081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207175876090.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 53244200089081 in words is "fifty-three trillion, two hundred forty-four billion, two hundred million, eighty-nine thousand, eighty-one".

Divisors: 1 257 207175875833 53244200089081