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553541020520 = 23513838525513
BaseRepresentation
bin10000000111000011001…
…11011010101101101000
31221220210020002100211112
420003201213122231220
533032123000124040
61102143201045452
754664156020155
oct10034147325550
91856706070745
10553541020520
111a3834525694
128b343926888
13402776ba2c7
141cb11d4d22c
15e5eb2d9365
hex80e19dab68

553541020520 has 16 divisors (see below), whose sum is σ = 1245467296260. Its totient is φ = 221416408192.

The previous prime is 553541020507. The next prime is 553541020561. The reversal of 553541020520 is 25020145355.

It can be written as a sum of positive squares in 2 ways, for example, as 553021271716 + 519748804 = 743654^2 + 22798^2 .

It is a super-2 number, since 2×5535410205202 (a number of 24 digits) contains 22 as substring.

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, 6919262717 + ... + 6919262796.

Almost surely, 2553541020520 is an apocalyptic number.

It is an amenable number.

553541020520 is an abundant number, since it is smaller than the sum of its proper divisors (691926275740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553541020520 is a wasteful number, since it uses less digits than its factorization.

553541020520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838525524 (or 13838525520 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 553541020520 its reverse (25020145355), we get a palindrome (578561165875).

The spelling of 553541020520 in words is "five hundred fifty-three billion, five hundred forty-one million, twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13838525513 27677051026 55354102052 69192627565 110708204104 138385255130 276770510260 553541020520