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51424094101 = 171713299477
BaseRepresentation
bin101111111001000111…
…010110011110010101
311220201211111122110211
4233321013112132111
51320304032002401
635342432445421
73500223405412
oct577107263625
9156654448424
1051424094101
111a899619026
129b719a9871
134b06b06263
1426bb915109
15150e8e8951
hexbf91d6795

51424094101 has 4 divisors (see below), whose sum is σ = 51424565292. Its totient is φ = 51423622912.

The previous prime is 51424094083. The next prime is 51424094107. The reversal of 51424094101 is 10149042415.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29697628900 + 21726465201 = 172330^2 + 147399^2 .

It is a cyclic number.

It is not a de Polignac number, because 51424094101 - 211 = 51424092053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424094107) 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, 21975 + ... + 321451.

It is an arithmetic number, because the mean of its divisors is an integer number (12856141323).

Almost surely, 251424094101 is an apocalyptic number.

It is an amenable number.

51424094101 is a deficient number, since it is larger than the sum of its proper divisors (471191).

51424094101 is a wasteful number, since it uses less digits than its factorization.

51424094101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471190.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 51424094101 in words is "fifty-one billion, four hundred twenty-four million, ninety-four thousand, one hundred one".

Divisors: 1 171713 299477 51424094101