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52431232551 = 383210567199
BaseRepresentation
bin110000110101001001…
…010001111000100111
312000100000121120200220
4300311021101320213
51324334343420201
640030411135423
73534203060205
oct606511217047
9160300546626
1052431232551
1120266078055
12a1b3144573
134c37672679
1427755a0075
15156d03a036
hexc35251e27

52431232551 has 8 divisors (see below), whose sum is σ = 70750579200. Its totient is φ = 34533020472.

The previous prime is 52431232549. The next prime is 52431232603. The reversal of 52431232551 is 15523213425.

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

It is not a de Polignac number, because 52431232551 - 21 = 52431232549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431232501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105283351 + ... + 105283848.

It is an arithmetic number, because the mean of its divisors is an integer number (8843822400).

Almost surely, 252431232551 is an apocalyptic number.

52431232551 is a deficient number, since it is larger than the sum of its proper divisors (18319346649).

52431232551 is a wasteful number, since it uses less digits than its factorization.

52431232551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210567285.

The product of its digits is 36000, while the sum is 33.

Adding to 52431232551 its reverse (15523213425), we get a palindrome (67954445976).

The spelling of 52431232551 in words is "fifty-two billion, four hundred thirty-one million, two hundred thirty-two thousand, five hundred fifty-one".

Divisors: 1 3 83 249 210567199 631701597 17477077517 52431232551