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51794584431 = 352253330409
BaseRepresentation
bin110000001111001100…
…101010001101101111
311221200122122111122220
4300033030222031233
51322033403200211
635443305410423
73512342463222
oct601714521557
9157618574586
1051794584431
111aa69768987
12a055a99a13
134b657b4ac5
142714bd75b9
1515321cd806
hexc0f32a36f

51794584431 has 8 divisors (see below), whose sum is σ = 69060976560. Its totient is φ = 34528957632.

The previous prime is 51794584409. The next prime is 51794584441. The reversal of 51794584431 is 13448549715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51794584431 - 214 = 51794568047 is a prime.

It is a super-2 number, since 2×517945844312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51794584441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8446 + ... + 321963.

It is an arithmetic number, because the mean of its divisors is an integer number (8632622070).

Almost surely, 251794584431 is an apocalyptic number.

51794584431 is a deficient number, since it is larger than the sum of its proper divisors (17266392129).

51794584431 is a wasteful number, since it uses less digits than its factorization.

51794584431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382665.

The product of its digits is 2419200, while the sum is 51.

The spelling of 51794584431 in words is "fifty-one billion, seven hundred ninety-four million, five hundred eighty-four thousand, four hundred thirty-one".

Divisors: 1 3 52253 156759 330409 991227 17264861477 51794584431