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51726622441 = 132306074689
BaseRepresentation
bin110000001011001001…
…011001111011101001
311221111220202200100011
4300023021121323221
51321414003404231
635432441011521
73510556015264
oct601311317351
9157456680304
1051726622441
111aa3436a04a
12a037183ba1
134b546aab00
142709b85cdb
15152b2569b1
hexc0b259ee9

51726622441 has 6 divisors (see below), whose sum is σ = 56011668270. Its totient is φ = 47747651328.

The previous prime is 51726622439. The next prime is 51726622457. The reversal of 51726622441 is 14422662715.

It is a happy number.

51726622441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 297907600 + 51428714841 = 17260^2 + 226779^2 .

It is not a de Polignac number, because 51726622441 - 21 = 51726622439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51726622394 and 51726622403.

It is not an unprimeable number, because it can be changed into a prime (51726628441) 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, 153037176 + ... + 153037513.

It is an arithmetic number, because the mean of its divisors is an integer number (9335278045).

Almost surely, 251726622441 is an apocalyptic number.

It is an amenable number.

51726622441 is a deficient number, since it is larger than the sum of its proper divisors (4285045829).

51726622441 is a wasteful number, since it uses less digits than its factorization.

51726622441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306074715 (or 306074702 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The spelling of 51726622441 in words is "fifty-one billion, seven hundred twenty-six million, six hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 13 169 306074689 3978970957 51726622441