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52212442551 = 347370301011
BaseRepresentation
bin110000101000000110…
…101010010110110111
311222202202220220020120
4300220012222112313
51323412341130201
635552553503023
73525605303403
oct605006522667
9158682826216
1052212442551
1120163620975
12a151a11a73
134c01239929
1427544ca103
151558c1d536
hexc281aa5b7

52212442551 has 8 divisors (see below), whose sum is σ = 71097794304. Its totient is φ = 34067692920.

The previous prime is 52212442543. The next prime is 52212442553. The reversal of 52212442551 is 15524421225.

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

It is not a de Polignac number, because 52212442551 - 23 = 52212442543 is a prime.

It is a super-2 number, since 2×522124425512 (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 (52212442553) 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, 185150365 + ... + 185150646.

It is an arithmetic number, because the mean of its divisors is an integer number (8887224288).

Almost surely, 252212442551 is an apocalyptic number.

52212442551 is a deficient number, since it is larger than the sum of its proper divisors (18885351753).

52212442551 is a wasteful number, since it uses less digits than its factorization.

52212442551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370301061.

The product of its digits is 32000, while the sum is 33.

Adding to 52212442551 its reverse (15524421225), we get a palindrome (67736863776).

The spelling of 52212442551 in words is "fifty-two billion, two hundred twelve million, four hundred forty-two thousand, five hundred fifty-one".

Divisors: 1 3 47 141 370301011 1110903033 17404147517 52212442551