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51445433361038 = 217289005940071
BaseRepresentation
bin10111011001010000100101…
…10001111110001010001110
320202011010122201000221021012
423230220102301332022032
523220340221420023123
6301225412242405222
713556544540315533
oct1354502261761216
9222133581027235
1051445433361038
1115434981a52a42
12592a577660812
13229238bc60322
14c9bd87c4cd8a
155e33317b1378
hex2eca12c7e28e

51445433361038 has 12 divisors (see below), whose sum is σ = 81974470806312. Its totient is φ = 24209615699040.

The previous prime is 51445433360941. The next prime is 51445433361061. The reversal of 51445433361038 is 83016333454415.

It is a happy number.

51445433361038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×514454333610382 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44502969458 + ... + 44502970613.

It is an arithmetic number, because the mean of its divisors is an integer number (6831205900526).

Almost surely, 251445433361038 is an apocalyptic number.

51445433361038 is a deficient number, since it is larger than the sum of its proper divisors (30529037445274).

51445433361038 is a wasteful number, since it uses less digits than its factorization.

51445433361038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89005940107 (or 89005940090 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 51445433361038 in words is "fifty-one trillion, four hundred forty-five billion, four hundred thirty-three million, three hundred sixty-one thousand, thirty-eight".

Divisors: 1 2 17 34 289 578 89005940071 178011880142 1513100981207 3026201962414 25722716680519 51445433361038