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52431315423 = 3193779314693
BaseRepresentation
bin110000110101001001…
…100110000111011111
312000100000202210101020
4300311021212013133
51324334404043143
640030413015223
73534203553624
oct606511460737
9160300683336
1052431315423
1120266124343
12a1b3184513
134c376a12c6
1427755c234b
15156d054883
hexc352661df

52431315423 has 32 divisors (see below), whose sum is σ = 76533580800. Its totient is φ = 31811584896.

The previous prime is 52431315403. The next prime is 52431315439. The reversal of 52431315423 is 32451313425.

It is not a de Polignac number, because 52431315423 - 29 = 52431314911 is a prime.

It is a super-2 number, since 2×524313154232 (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 (52431315403) 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 31 ways as a sum of consecutive naturals, for example, 9265 + ... + 323957.

It is an arithmetic number, because the mean of its divisors is an integer number (2391674400).

Almost surely, 252431315423 is an apocalyptic number.

52431315423 is a deficient number, since it is larger than the sum of its proper divisors (24102265377).

52431315423 is a wasteful number, since it uses less digits than its factorization.

52431315423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314831.

The product of its digits is 43200, while the sum is 33.

Adding to 52431315423 its reverse (32451313425), we get a palindrome (84882628848).

The spelling of 52431315423 in words is "fifty-two billion, four hundred thirty-one million, three hundred fifteen thousand, four hundred twenty-three".

Divisors: 1 3 19 37 57 79 111 237 703 1501 2109 2923 4503 8769 55537 166611 314693 944079 5979167 11643641 17937501 24860747 34930923 74582241 221229179 472354193 663687537 919847639 1417062579 2759542917 17477105141 52431315423