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51303054313445 = 5114166509342071
BaseRepresentation
bin10111010101000111011000…
…10101000000011111100101
320201122112011001201220202012
423222203230111000133211
523211022123401012240
6301040144153324005
713543344340346444
oct1352435425003745
9221575131656665
1051303054313445
111538a559768170
125906a61106605
132281b1b53a47c
14c9511c696d5b
155de79bca6b65
hex2ea8ec5407e5

51303054313445 has 32 divisors (see below), whose sum is σ = 68799655169280. Its totient is φ = 36400626496000.

The previous prime is 51303054313439. The next prime is 51303054313447. The reversal of 51303054313445 is 54431345030315.

51303054313445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51303054313445 - 210 = 51303054312421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51303054313447) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 149806760 + ... + 150148830.

It is an arithmetic number, because the mean of its divisors is an integer number (2149989224040).

Almost surely, 251303054313445 is an apocalyptic number.

51303054313445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51303054313445 is a deficient number, since it is larger than the sum of its proper divisors (17496600855835).

51303054313445 is a wasteful number, since it uses less digits than its factorization.

51303054313445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408637.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 51303054313445 in words is "fifty-one trillion, three hundred three billion, fifty-four million, three hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 11 41 55 205 451 2255 66509 332545 342071 731599 1710355 2726869 3657995 3762781 13634345 14024911 18813905 29995559 70124555 149977795 154274021 771370105 22750800139 113754000695 250258801529 932782805699 1251294007645 4663914028495 10260610862689 51303054313445