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5600000821 = 177138911927
BaseRepresentation
bin1010011011100100…
…10011101100110101
3112110021101111221211
411031302103230311
542432100011241
62323403241421
7255526136002
oct51562235465
915407344854
105600000821
112414066558
121103519271
136b325796c
143b1a488a9
1522b974781
hex14dc93b35

5600000821 has 16 divisors (see below), whose sum is σ = 6028888320. Its totient is φ = 5182562560.

The previous prime is 5600000807. The next prime is 5600000849. The reversal of 5600000821 is 1280000065.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5600000821 - 215 = 5599968053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5600000792 and 5600000801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5600000881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463560 + ... + 475486.

It is an arithmetic number, because the mean of its divisors is an integer number (376805520).

Almost surely, 25600000821 is an apocalyptic number.

It is an amenable number.

5600000821 is a deficient number, since it is larger than the sum of its proper divisors (428887499).

5600000821 is a wasteful number, since it uses less digits than its factorization.

5600000821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 5600000821 is about 74833.1532210156. The cubic root of 5600000821 is about 1775.8080902672.

Adding to 5600000821 its reverse (1280000065), we get a palindrome (6880000886).

The spelling of 5600000821 in words is "five billion, six hundred million, eight hundred twenty-one", and thus it is an aban number.

Divisors: 1 17 71 389 1207 6613 11927 27619 202759 469523 846817 4639603 14395889 78873251 329411813 5600000821