Search a number
-
+
51445302225635 = 529517136860851
BaseRepresentation
bin10111011001010000010101…
…11101101110101011100011
320202011010022120021120022102
423230220022331232223203
523220334434332210020
6301225351240001015
713556541355555553
oct1354501275565343
9222133276246272
1051445302225635
1115434914a25a7a
12592a53b76016b
13229236aa37b06
14c9bd74675163
155e332500b475
hex2eca0af6eae3

51445302225635 has 16 divisors (see below), whose sum is σ = 63864378059040. Its totient is φ = 39736286822400.

The previous prime is 51445302225619. The next prime is 51445302225661. The reversal of 51445302225635 is 53652220354415.

It is not a de Polignac number, because 51445302225635 - 24 = 51445302225619 is a prime.

It is a super-4 number, since 4×514453022256354 (a number of 56 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51445302225635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4067960 + ... + 10928810.

It is an arithmetic number, because the mean of its divisors is an integer number (3991523628690).

Almost surely, 251445302225635 is an apocalyptic number.

51445302225635 is a deficient number, since it is larger than the sum of its proper divisors (12419075833405).

51445302225635 is a wasteful number, since it uses less digits than its factorization.

51445302225635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912598.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 51445302225635 in words is "fifty-one trillion, four hundred forty-five billion, three hundred two million, two hundred twenty-five thousand, six hundred thirty-five".

Divisors: 1 5 29 145 51713 258565 1499677 6860851 7498385 34304255 198964679 994823395 354795187763 1773975938815 10289060445127 51445302225635