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531442122452 = 22647205348579
BaseRepresentation
bin1111011101111000110…
…10110011111011010100
31212210202010010000201022
413232330122303323110
532201343140404302
61044050253020312
753252426336003
oct7567432637324
91783663100638
10531442122452
1119542425046a
1286bb6a84698
133b16521c267
141ba16dc6c3a
15dc561728a2
hex7bbc6b3ed4

531442122452 has 12 divisors (see below), whose sum is σ = 931461158880. Its totient is φ = 265310362776.

The previous prime is 531442122443. The next prime is 531442122569. The reversal of 531442122452 is 254221244135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102671702 + ... + 102676877.

It is an arithmetic number, because the mean of its divisors is an integer number (77621763240).

Almost surely, 2531442122452 is an apocalyptic number.

It is an amenable number.

531442122452 is a deficient number, since it is larger than the sum of its proper divisors (400019036428).

531442122452 is a wasteful number, since it uses less digits than its factorization.

531442122452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205349230 (or 205349228 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 531442122452 its reverse (254221244135), we get a palindrome (785663366587).

The spelling of 531442122452 in words is "five hundred thirty-one billion, four hundred forty-two million, one hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 647 1294 2588 205348579 410697158 821394316 132860530613 265721061226 531442122452